80356939272 has 32 divisors (see below), whose sum is σ = 223213720800. Its totient is φ = 26785646352.

The previous prime is 80356939193. The next prime is 80356939279. The reversal of 80356939272 is 27293965308.

It is a happy number.

80356939272 is a `hidden beast` number, since 8 + 0 + 3 + 569 + 3 + 9 + 2 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (80356939279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186011218 + ... + 186011649.

It is an arithmetic number, because the mean of its divisors is an integer number (6975428775).

Almost surely, 2^80356939272 is an apocalyptic number.

It is an amenable number.

80356939272 is an abundant number, since it is smaller than the sum of its proper divisors (142856781528).

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

80356939272 is a wasteful number, since it uses less digits than its factorization.

80356939272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372022882 (or 372022872 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 80356939272 in words is "eighty billion, three hundred fifty-six million, nine hundred thirty-nine thousand, two hundred seventy-two".