80356972 has 12 divisors (see below), whose sum is σ = 141699096. Its totient is φ = 39871520.

The previous prime is 80356967. The next prime is 80356979. The reversal of 80356972 is 27965308.

It is not an unprimeable number, because it can be changed into a prime (80356979) 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, 76153 + ... + 77200.

It is an arithmetic number, because the mean of its divisors is an integer number (11808258).

Almost surely, 2^80356972 is an apocalyptic number.

It is an amenable number.

80356972 is a deficient number, since it is larger than the sum of its proper divisors (61342124).

80356972 is a wasteful number, since it uses less digits than its factorization.

80356972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153488 (or 153486 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 80356972 is about 8964.2050400468. The cubic root of 80356972 is about 431.5268811575.

It can be divided in two parts, 803 and 56972, that added together give a palindrome (57775).

The spelling of 80356972 in words is "eighty million, three hundred fifty-six thousand, nine hundred seventy-two".