8674670521 has 8 divisors (see below), whose sum is σ = 9560837664. Its totient is φ = 7804763520.

The previous prime is 8674670503. The next prime is 8674670539. The reversal of 8674670521 is 1250764768.

It is a happy number.

8674670521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8674670503) and next prime (8674670539).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8674670521 is a prime.

It is a super-2 number, since 2×8674670521² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8674670551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4063915 + ... + 4066048.

It is an arithmetic number, because the mean of its divisors is an integer number (1195104708).

Almost surely, 2^8674670521 is an apocalyptic number.

It is an amenable number.

8674670521 is a deficient number, since it is larger than the sum of its proper divisors (886167143).

8674670521 is a wasteful number, since it uses less digits than its factorization.

8674670521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130071.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 8674670521 is about 93137.9112982463. The cubic root of 8674670521 is about 2054.7121838277.

It can be divided in two parts, 8674 and 670521, that added together give a triangular number (679195 = T₁₁₆₅).

The spelling of 8674670521 in words is "eight billion, six hundred seventy-four million, six hundred seventy thousand, five hundred twenty-one".