86394474520 has 32 divisors (see below), whose sum is σ = 194409356400. Its totient is φ = 34553916288.

The previous prime is 86394474511. The next prime is 86394474541. The reversal of 86394474520 is 2547449368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254671 + ... + 487489.

Almost surely, 2^86394474520 is an apocalyptic number.

It is an amenable number.

86394474520 is an abundant number, since it is smaller than the sum of its proper divisors (108014881880).

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

86394474520 is a wasteful number, since it uses less digits than its factorization.

86394474520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242107 (or 242103 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 86394474520 in words is "eighty-six billion, three hundred ninety-four million, four hundred seventy-four thousand, five hundred twenty".