85920034680 has 96 divisors (see below), whose sum is σ = 279277558560. Its totient is φ = 22908936960.

The previous prime is 85920034649. The next prime is 85920034727. The reversal of 85920034680 is 8643002958.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4249074 + ... + 4269246.

It is an arithmetic number, because the mean of its divisors is an integer number (2909141235).

Almost surely, 2^85920034680 is an apocalyptic number.

It is an amenable number.

85920034680 is an abundant number, since it is smaller than the sum of its proper divisors (193357523880).

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

85920034680 is a wasteful number, since it uses less digits than its factorization.

85920034680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32021 (or 32014 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 85920034680 in words is "eighty-five billion, nine hundred twenty million, thirty-four thousand, six hundred eighty".