85706128 has 20 divisors (see below), whose sum is σ = 166223488. Its totient is φ = 42809760.

The previous prime is 85706099. The next prime is 85706167. The reversal of 85706128 is 82160758.

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, 18793 + ... + 22903.

Almost surely, 2^85706128 is an apocalyptic number.

It is an amenable number.

85706128 is a deficient number, since it is larger than the sum of its proper divisors (80517360).

85706128 is a wasteful number, since it uses less digits than its factorization.

85706128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422 (or 5416 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 85706128 is about 9257.7604203176. The cubic root of 85706128 is about 440.8971502037.

The spelling of 85706128 in words is "eighty-five million, seven hundred six thousand, one hundred twenty-eight".