85180542692 has 24 divisors (see below), whose sum is σ = 174516236160. Its totient is φ = 35615557440.

The previous prime is 85180542691. The next prime is 85180542701. The reversal of 85180542692 is 29624508158.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85180542692.

It is not an unprimeable number, because it can be changed into a prime (85180542691) 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, 37098392 + ... + 37100687.

It is an arithmetic number, because the mean of its divisors is an integer number (7271509840).

Almost surely, 2^85180542692 is an apocalyptic number.

85180542692 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

85180542692 is an abundant number, since it is smaller than the sum of its proper divisors (89335693468).

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

85180542692 is a wasteful number, since it uses less digits than its factorization.

85180542692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74199131 (or 74199129 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 85180542692 in words is "eighty-five billion, one hundred eighty million, five hundred forty-two thousand, six hundred ninety-two".