85415756 has 6 divisors (see below), whose sum is σ = 149477580. Its totient is φ = 42707876.

The previous prime is 85415747. The next prime is 85415761. The reversal of 85415756 is 65751458.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10676966 + ... + 10676973.

It is an arithmetic number, because the mean of its divisors is an integer number (24912930).

Almost surely, 2^85415756 is an apocalyptic number.

It is an amenable number.

85415756 is a deficient number, since it is larger than the sum of its proper divisors (64061824).

85415756 is a wasteful number, since it uses less digits than its factorization.

85415756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21353943 (or 21353941 counting only the distinct ones).

The product of its digits is 168000, while the sum is 41.

The square root of 85415756 is about 9242.0644879810. The cubic root of 85415756 is about 440.3986675987.

The spelling of 85415756 in words is "eighty-five million, four hundred fifteen thousand, seven hundred fifty-six".