85007656 has 8 divisors (see below), whose sum is σ = 159389370. Its totient is φ = 42503824.

The previous prime is 85007621. The next prime is 85007693. The reversal of 85007656 is 65670058.

It can be written as a sum of positive squares in only one way, i.e., 71064900 + 13942756 = 8430^2 + 3734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×85007656² = 14452603157228672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5312971 + ... + 5312986.

Almost surely, 2^85007656 is an apocalyptic number.

It is an amenable number.

85007656 is a deficient number, since it is larger than the sum of its proper divisors (74381714).

85007656 is a wasteful number, since it uses less digits than its factorization.

85007656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625963 (or 10625959 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 85007656 is about 9219.9596528401. The cubic root of 85007656 is about 439.6961676540.

The spelling of 85007656 in words is "eighty-five million, seven thousand, six hundred fifty-six".