85688972 has 12 divisors (see below), whose sum is σ = 150066840. Its totient is φ = 42812736.

The previous prime is 85688971. The next prime is 85688989. The reversal of 85688972 is 27988658.

It is not an unprimeable number, because it can be changed into a prime (85688971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238 + ... + 13149.

It is an arithmetic number, because the mean of its divisors is an integer number (12505570).

Almost surely, 2^85688972 is an apocalyptic number.

It is an amenable number.

85688972 is a deficient number, since it is larger than the sum of its proper divisors (64377868).

85688972 is a wasteful number, since it uses less digits than its factorization.

85688972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15880 (or 15878 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The square root of 85688972 is about 9256.8337999556. The cubic root of 85688972 is about 440.8677297626.

The spelling of 85688972 in words is "eighty-five million, six hundred eighty-eight thousand, nine hundred seventy-two".