85800715 has 96 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 47174400.

The previous prime is 85800707. The next prime is 85800721. The reversal of 85800715 is 51700858.

It is not a de Polignac number, because 85800715 - 2³ = 85800707 is a prime.

It is a super-2 number, since 2×85800715² = 14723525389022450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1086046 + ... + 1086124.

It is an arithmetic number, because the mean of its divisors is an integer number (1532160).

Almost surely, 2^85800715 is an apocalyptic number.

85800715 is a deficient number, since it is larger than the sum of its proper divisors (61286645).

85800715 is a wasteful number, since it uses less digits than its factorization.

85800715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 85800715 is about 9262.8675365677. The cubic root of 85800715 is about 441.0592848828.

The spelling of 85800715 in words is "eighty-five million, eight hundred thousand, seven hundred fifteen".