85889312 has 12 divisors (see below), whose sum is σ = 169094646. Its totient is φ = 42944640.

The previous prime is 85889311. The next prime is 85889317. The reversal of 85889312 is 21398858.

It can be written as a sum of positive squares in only one way, i.e., 48385936 + 37503376 = 6956^2 + 6124^2 .

It is not an unprimeable number, because it can be changed into a prime (85889311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1341989 + ... + 1342052.

Almost surely, 2^85889312 is an apocalyptic number.

It is an amenable number.

85889312 is a deficient number, since it is larger than the sum of its proper divisors (83205334).

85889312 is a wasteful number, since it uses less digits than its factorization.

85889312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684051 (or 2684043 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 85889312 is about 9267.6486769838. The cubic root of 85889312 is about 441.2110438635.

It can be divided in two parts, 8 and 5889312, that multiplied together give a square (47114496 = 6864²).

The spelling of 85889312 in words is "eighty-five million, eight hundred eighty-nine thousand, three hundred twelve".