8677345921 has 8 divisors (see below), whose sum is σ = 9192945960. Its totient is φ = 8162320128.

The previous prime is 8677345909. The next prime is 8677345939. The reversal of 8677345921 is 1295437768.

It can be written as a sum of positive squares in 4 ways, for example, as 6664926321 + 2012419600 = 81639^2 + 44860^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8677345921 - 2²⁷ = 8543128193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8677345951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112246 + ... + 173071.

It is an arithmetic number, because the mean of its divisors is an integer number (1149118245).

Almost surely, 2^8677345921 is an apocalyptic number.

It is an amenable number.

8677345921 is a deficient number, since it is larger than the sum of its proper divisors (515600039).

8677345921 is a wasteful number, since it uses less digits than its factorization.

8677345921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287123.

The product of its digits is 2540160, while the sum is 52.

The square root of 8677345921 is about 93152.2727634705. The cubic root of 8677345921 is about 2054.9233969192.

The spelling of 8677345921 in words is "eight billion, six hundred seventy-seven million, three hundred forty-five thousand, nine hundred twenty-one".