85108102180 has 24 divisors (see below), whose sum is σ = 178797238200. Its totient is φ = 34029864960.

The previous prime is 85108102153. The next prime is 85108102207. The reversal of 85108102180 is 8120180158.

It is an interprime number because it is at equal distance from previous prime (85108102153) and next prime (85108102207).

It can be written as a sum of positive squares in 4 ways, for example, as 26207724544 + 58900377636 = 161888^2 + 242694^2 .

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, 783741 + ... + 885700.

It is an arithmetic number, because the mean of its divisors is an integer number (7449884925).

Almost surely, 2^85108102180 is an apocalyptic number.

It is an amenable number.

85108102180 is an abundant number, since it is smaller than the sum of its proper divisors (93689136020).

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

85108102180 is a wasteful number, since it uses less digits than its factorization.

85108102180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671999 (or 1671997 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 34.

The spelling of 85108102180 in words is "eighty-five billion, one hundred eight million, one hundred two thousand, one hundred eighty".