85868174858622 has 64 divisors (see below), whose sum is σ = 194925152056320. Its totient is φ = 24998993034624.

The previous prime is 85868174858579. The next prime is 85868174858623. The reversal of 85868174858622 is 22685847186858.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85868174858623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35168118 + ... + 37530425.

It is an arithmetic number, because the mean of its divisors is an integer number (3045705500880).

Almost surely, 2^{85868174858622} is an apocalyptic number.

85868174858622 is an abundant number, since it is smaller than the sum of its proper divisors (109056977197698).

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

85868174858622 is a wasteful number, since it uses less digits than its factorization.

85868174858622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72699377.

The product of its digits is 3303014400, while the sum is 78.

The spelling of 85868174858622 in words is "eighty-five trillion, eight hundred sixty-eight billion, one hundred seventy-four million, eight hundred fifty-eight thousand, six hundred twenty-two".