85574612518 has 16 divisors (see below), whose sum is σ = 130271970960. Its totient is φ = 42151988736.

The previous prime is 85574612509. The next prime is 85574612533. The reversal of 85574612518 is 81521647558.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215755 + ... + 466582.

It is an arithmetic number, because the mean of its divisors is an integer number (8141998185).

Almost surely, 2^85574612518 is an apocalyptic number.

85574612518 is a deficient number, since it is larger than the sum of its proper divisors (44697358442).

85574612518 is a wasteful number, since it uses less digits than its factorization.

85574612518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683271.

The product of its digits is 2688000, while the sum is 52.

The spelling of 85574612518 in words is "eighty-five billion, five hundred seventy-four million, six hundred twelve thousand, five hundred eighteen".