85618372 has 24 divisors (see below), whose sum is σ = 171464384. Its totient is φ = 36644832.

The previous prime is 85618363. The next prime is 85618391. The reversal of 85618372 is 27381658.

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 7 ways as a sum of consecutive naturals, for example, 26383 + ... + 29449.

Almost surely, 2^85618372 is an apocalyptic number.

It is an amenable number.

85618372 is an abundant number, since it is smaller than the sum of its proper divisors (85846012).

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

85618372 is a wasteful number, since it uses less digits than its factorization.

85618372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4075 (or 4073 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 85618372 is about 9253.0196152391. The cubic root of 85618372 is about 440.7466180526.

The spelling of 85618372 in words is "eighty-five million, six hundred eighteen thousand, three hundred seventy-two".