86491378614480 has 160 divisors (see below), whose sum is σ = 307800710160384. Its totient is φ = 19680805605888.

The previous prime is 86491378614479. The next prime is 86491378614497. The reversal of 86491378614480 is 8441687319468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115058014 + ... + 115807293.

Almost surely, 2^{86491378614480} is an apocalyptic number.

86491378614480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86491378614480 is an abundant number, since it is smaller than the sum of its proper divisors (221309331545904).

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

86491378614480 is a wasteful number, since it uses less digits than its factorization.

86491378614480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230865553 (or 230865547 counting only the distinct ones).

The product of its (nonzero) digits is 222953472, while the sum is 69.

The spelling of 86491378614480 in words is "eighty-six trillion, four hundred ninety-one billion, three hundred seventy-eight million, six hundred fourteen thousand, four hundred eighty".