85690256 has 20 divisors (see below), whose sum is σ = 166184304. Its totient is φ = 42804000.

The previous prime is 85690237. The next prime is 85690277. The reversal of 85690256 is 65209658.

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, 21371 + ... + 25061.

Almost surely, 2^85690256 is an apocalyptic number.

It is an amenable number.

85690256 is a deficient number, since it is larger than the sum of its proper divisors (80494048).

85690256 is a wasteful number, since it uses less digits than its factorization.

85690256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150 (or 5144 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 85690256 is about 9256.9031538631. The cubic root of 85690256 is about 440.8699318015.

The spelling of 85690256 in words is "eighty-five million, six hundred ninety thousand, two hundred fifty-six".