80657379602 has 32 divisors (see below), whose sum is σ = 125857670400. Its totient is φ = 38741321808.

The previous prime is 80657379577. The next prime is 80657379653. The reversal of 80657379602 is 20697375608.

It is a super-2 number, since 2×80657379602² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1247549 + ... + 1310607.

It is an arithmetic number, because the mean of its divisors is an integer number (3933052200).

Almost surely, 2^80657379602 is an apocalyptic number.

80657379602 is a deficient number, since it is larger than the sum of its proper divisors (45200290798).

80657379602 is a wasteful number, since it uses less digits than its factorization.

80657379602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63350.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 80657379602 in words is "eighty billion, six hundred fifty-seven million, three hundred seventy-nine thousand, six hundred two".