85177252 has 12 divisors (see below), whose sum is σ = 150597580. Its totient is φ = 42149376.

The previous prime is 85177241. The next prime is 85177271. The reversal of 85177252 is 25277158.

It can be written as a sum of positive squares in 2 ways, for example, as 25948836 + 59228416 = 5094^2 + 7696^2 .

It is an unprimeable number.

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, 109377 + ... + 110152.

Almost surely, 2^85177252 is an apocalyptic number.

It is an amenable number.

85177252 is a deficient number, since it is larger than the sum of its proper divisors (65420328).

85177252 is a wasteful number, since it uses less digits than its factorization.

85177252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219630 (or 219628 counting only the distinct ones).

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

The square root of 85177252 is about 9229.1522904327. The cubic root of 85177252 is about 439.9883812359.

The spelling of 85177252 in words is "eighty-five million, one hundred seventy-seven thousand, two hundred fifty-two".