85518572 has 24 divisors (see below), whose sum is σ = 153631632. Its totient is φ = 41630400.

The previous prime is 85518569. The next prime is 85518583. The reversal of 85518572 is 27581558.

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, 71822 + ... + 73002.

It is an arithmetic number, because the mean of its divisors is an integer number (6401318).

Almost surely, 2^85518572 is an apocalyptic number.

It is an amenable number.

85518572 is a deficient number, since it is larger than the sum of its proper divisors (68113060).

85518572 is a wasteful number, since it uses less digits than its factorization.

85518572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1647 counting only the distinct ones).

The product of its digits is 112000, while the sum is 41.

The square root of 85518572 is about 9247.6252086684. The cubic root of 85518572 is about 440.5753011833.

The spelling of 85518572 in words is "eighty-five million, five hundred eighteen thousand, five hundred seventy-two".