80567656872 has 16 divisors (see below), whose sum is σ = 201419142240. Its totient is φ = 26855885616.

The previous prime is 80567656837. The next prime is 80567656879. The reversal of 80567656872 is 27865676508.

It is a super-2 number, since 2×80567656872² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80567656879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678492828 + ... + 1678492875.

It is an arithmetic number, because the mean of its divisors is an integer number (12588696390).

Almost surely, 2^80567656872 is an apocalyptic number.

It is an amenable number.

80567656872 is an abundant number, since it is smaller than the sum of its proper divisors (120851485368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80567656872 is a wasteful number, since it uses less digits than its factorization.

80567656872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356985712 (or 3356985708 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 80567656872 in words is "eighty billion, five hundred sixty-seven million, six hundred fifty-six thousand, eight hundred seventy-two".