85277512 has 16 divisors (see below), whose sum is σ = 162517500. Its totient is φ = 41939520.

The previous prime is 85277509. The next prime is 85277519. The reversal of 85277512 is 21577258.

It can be written as a sum of positive squares in 2 ways, for example, as 84750436 + 527076 = 9206^2 + 726^2 .

It is not an unprimeable number, because it can be changed into a prime (85277519) 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, 86887 + ... + 87862.

Almost surely, 2^85277512 is an apocalyptic number.

It is an amenable number.

85277512 is a deficient number, since it is larger than the sum of its proper divisors (77239988).

85277512 is a wasteful number, since it uses less digits than its factorization.

85277512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174816 (or 174812 counting only the distinct ones).

The product of its digits is 39200, while the sum is 37.

The square root of 85277512 is about 9234.5823944562. The cubic root of 85277512 is about 440.1609466302.

The spelling of 85277512 in words is "eighty-five million, two hundred seventy-seven thousand, five hundred twelve".