85978676580 has 48 divisors (see below), whose sum is σ = 241150512960. Its totient is φ = 22888578688.

The previous prime is 85978676569. The next prime is 85978676591. The reversal of 85978676580 is 8567687958.

It is an interprime number because it is at equal distance from previous prime (85978676569) and next prime (85978676591).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1185375 + ... + 1255814.

It is an arithmetic number, because the mean of its divisors is an integer number (5023969020).

Almost surely, 2^85978676580 is an apocalyptic number.

It is an amenable number.

85978676580 is an abundant number, since it is smaller than the sum of its proper divisors (155171836380).

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

85978676580 is a wasteful number, since it uses less digits than its factorization.

85978676580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441788 (or 2441786 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 69.

The spelling of 85978676580 in words is "eighty-five billion, nine hundred seventy-eight million, six hundred seventy-six thousand, five hundred eighty".