85700656799 has 8 divisors (see below), whose sum is σ = 89453460192. Its totient is φ = 81950077440.

The previous prime is 85700656781. The next prime is 85700656807. The reversal of 85700656799 is 99765600758.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85700656799 - 2³² = 81405689503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85700656759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477014 + ... + 631619.

It is an arithmetic number, because the mean of its divisors is an integer number (11181682524).

Almost surely, 2^85700656799 is an apocalyptic number.

85700656799 is a deficient number, since it is larger than the sum of its proper divisors (3752803393).

85700656799 is a wasteful number, since it uses less digits than its factorization.

85700656799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112017.

The product of its (nonzero) digits is 28576800, while the sum is 62.

The spelling of 85700656799 in words is "eighty-five billion, seven hundred million, six hundred fifty-six thousand, seven hundred ninety-nine".