85981054308 has 48 divisors (see below), whose sum is σ = 203523640320. Its totient is φ = 28248652800.

The previous prime is 85981054303. The next prime is 85981054319. The reversal of 85981054308 is 80345018958.

It is not an unprimeable number, because it can be changed into a prime (85981054301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77748 + ... + 421908.

It is an arithmetic number, because the mean of its divisors is an integer number (4240075840).

Almost surely, 2^85981054308 is an apocalyptic number.

It is an amenable number.

85981054308 is an abundant number, since it is smaller than the sum of its proper divisors (117542586012).

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

85981054308 is a wasteful number, since it uses less digits than its factorization.

85981054308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344468 (or 344466 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 85981054308 in words is "eighty-five billion, nine hundred eighty-one million, fifty-four thousand, three hundred eight".