8474084687 has 4 divisors (see below), whose sum is σ = 8476427280. Its totient is φ = 8471742096.

The previous prime is 8474084669. The next prime is 8474084699. The reversal of 8474084687 is 7864804748.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8474084687 - 2¹⁸ = 8473822543 is a prime.

It is a super-2 number, since 2×8474084687² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8474080687) 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 3 ways as a sum of consecutive naturals, for example, 1165862 + ... + 1173107.

It is an arithmetic number, because the mean of its divisors is an integer number (2119106820).

Almost surely, 2^8474084687 is an apocalyptic number.

8474084687 is a deficient number, since it is larger than the sum of its proper divisors (2342593).

8474084687 is a wasteful number, since it uses less digits than its factorization.

8474084687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342592.

The product of its (nonzero) digits is 9633792, while the sum is 56.

The square root of 8474084687 is about 92054.7917655567. The cubic root of 8474084687 is about 2038.7513734661.

The spelling of 8474084687 in words is "eight billion, four hundred seventy-four million, eighty-four thousand, six hundred eighty-seven".