85807868100870 has 32 divisors (see below), whose sum is σ = 205939332430848. Its totient is φ = 22882048272608.

The previous prime is 85807868100863. The next prime is 85807868100923. The reversal of 85807868100870 is 7800186870858.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12087097 + ... + 17824523.

It is an arithmetic number, because the mean of its divisors is an integer number (6435604138464).

Almost surely, 2^{85807868100870} is an apocalyptic number.

85807868100870 is an abundant number, since it is smaller than the sum of its proper divisors (120131464329978).

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

85807868100870 is a wasteful number, since it uses less digits than its factorization.

85807868100870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235964.

The product of its (nonzero) digits is 48168960, while the sum is 66.

The spelling of 85807868100870 in words is "eighty-five trillion, eight hundred seven billion, eight hundred sixty-eight million, one hundred thousand, eight hundred seventy".