8753079621 has 24 divisors (see below), whose sum is σ = 13814997280. Its totient is φ = 4896825120.

The previous prime is 8753079589. The next prime is 8753079659. The reversal of 8753079621 is 1269703578.

It is not a de Polignac number, because 8753079621 - 2⁵ = 8753079589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8753079661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 922711 + ... + 932148.

Almost surely, 2^8753079621 is an apocalyptic number.

It is an amenable number.

8753079621 is a deficient number, since it is larger than the sum of its proper divisors (5061917659).

8753079621 is a wasteful number, since it uses less digits than its factorization.

8753079621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854897 (or 1854886 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 8753079621 is about 93557.8944878517. The cubic root of 8753079621 is about 2060.8843738669.

The spelling of 8753079621 in words is "eight billion, seven hundred fifty-three million, seventy-nine thousand, six hundred twenty-one".