85759842156920 has 32 divisors (see below), whose sum is σ = 192960103255920. Its totient is φ = 34303855368960.

The previous prime is 85759842156889. The next prime is 85759842156953. The reversal of 85759842156920 is 2965124895758.

It is a Cunningham number, because it is equal to 9260661²-1.

It is a super-3 number, since 3×85759842156920³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16206155 + ... + 20836485.

Almost surely, 2^{85759842156920} is an apocalyptic number.

It is an amenable number.

85759842156920 is an abundant number, since it is smaller than the sum of its proper divisors (107200261099000).

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

85759842156920 is a wasteful number, since it uses less digits than its factorization.

85759842156920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093375 (or 5093371 counting only the distinct ones).

The product of its (nonzero) digits is 435456000, while the sum is 71.

The spelling of 85759842156920 in words is "eighty-five trillion, seven hundred fifty-nine billion, eight hundred forty-two million, one hundred fifty-six thousand, nine hundred twenty".