85651972 has 12 divisors (see below), whose sum is σ = 171304000. Its totient is φ = 36707976.

The previous prime is 85651963. The next prime is 85652027. The reversal of 85651972 is 27915658.

85651972 is an admirable number.

It is an unprimeable number.

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, 1529472 + ... + 1529527.

Almost surely, 2^85651972 is an apocalyptic number.

It is an amenable number.

85651972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85651972 is a wasteful number, since it uses less digits than its factorization.

85651972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059010 (or 3059008 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 85651972 is about 9254.8350606588. The cubic root of 85651972 is about 440.8042659196.

The spelling of 85651972 in words is "eighty-five million, six hundred fifty-one thousand, nine hundred seventy-two".