86797972 has 12 divisors (see below), whose sum is σ = 153316800. Its totient is φ = 42993176.

The previous prime is 86797939. The next prime is 86797979. The reversal of 86797972 is 27979768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86797979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100972 + ... + 101827.

It is an arithmetic number, because the mean of its divisors is an integer number (12776400).

Almost surely, 2^86797972 is an apocalyptic number.

It is an amenable number.

86797972 is a deficient number, since it is larger than the sum of its proper divisors (66518828).

86797972 is a wasteful number, since it uses less digits than its factorization.

86797972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202910 (or 202908 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 55.

The square root of 86797972 is about 9316.5429210625. The cubic root of 86797972 is about 442.7615094821.

The spelling of 86797972 in words is "eighty-six million, seven hundred ninety-seven thousand, nine hundred seventy-two".