85180737833881 has 8 divisors (see below), whose sum is σ = 89664262596000. Its totient is φ = 80697245875200.

The previous prime is 85180737833857. The next prime is 85180737833923. The reversal of 85180737833881 is 18833873708158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85180737833881 - 2²⁷ = 85180603616153 is a prime.

It is a super-2 number, since 2×85180737833881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85180737833881.

It is not an unprimeable number, because it can be changed into a prime (85180737833831) 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, 2778856 + ... + 13344793.

It is an arithmetic number, because the mean of its divisors is an integer number (11208032824500).

Almost surely, 2^{85180737833881} is an apocalyptic number.

It is an amenable number.

85180737833881 is a deficient number, since it is larger than the sum of its proper divisors (4483524762119).

85180737833881 is a wasteful number, since it uses less digits than its factorization.

85180737833881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16401719.

The product of its (nonzero) digits is 216760320, while the sum is 70.

The spelling of 85180737833881 in words is "eighty-five trillion, one hundred eighty billion, seven hundred thirty-seven million, eight hundred thirty-three thousand, eight hundred eighty-one".