85077656 has 32 divisors (see below), whose sum is σ = 170961840. Its totient is φ = 39548928.

The previous prime is 85077647. The next prime is 85077679. The reversal of 85077656 is 65677058.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7520 + ... + 15056.

Almost surely, 2^85077656 is an apocalyptic number.

It is an amenable number.

85077656 is an abundant number, since it is smaller than the sum of its proper divisors (85884184).

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

85077656 is a wasteful number, since it uses less digits than its factorization.

85077656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7643 (or 7639 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 85077656 is about 9223.7549837363. The cubic root of 85077656 is about 439.8168245797.

The spelling of 85077656 in words is "eighty-five million, seventy-seven thousand, six hundred fifty-six".