678297500532 has 36 divisors (see below), whose sum is σ = 1722138608736. Its totient is φ = 225103132560.

The previous prime is 678297500513. The next prime is 678297500561. The reversal of 678297500532 is 235005792876.

678297500532 is a `hidden beast` number, since 6 + 7 + 82 + 9 + 7 + 500 + 53 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41493144 + ... + 41509487.

It is an arithmetic number, because the mean of its divisors is an integer number (47837183576).

Almost surely, 2^678297500532 is an apocalyptic number.

It is an amenable number.

678297500532 is an abundant number, since it is smaller than the sum of its proper divisors (1043841108204).

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

678297500532 is a wasteful number, since it uses less digits than its factorization.

678297500532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83002868 (or 83002863 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 678297500532 in words is "six hundred seventy-eight billion, two hundred ninety-seven million, five hundred thousand, five hundred thirty-two".