85511064 has 16 divisors (see below), whose sum is σ = 213777720. Its totient is φ = 28503680.

The previous prime is 85511059. The next prime is 85511099. The reversal of 85511064 is 46011558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1781457 + ... + 1781504.

Almost surely, 2^85511064 is an apocalyptic number.

It is an amenable number.

85511064 is an abundant number, since it is smaller than the sum of its proper divisors (128266656).

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

85511064 is a wasteful number, since it uses less digits than its factorization.

85511064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562970 (or 3562966 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 85511064 is about 9247.2192577012. The cubic root of 85511064 is about 440.5624075467.

The spelling of 85511064 in words is "eighty-five million, five hundred eleven thousand, sixty-four".