878452630972 has 12 divisors (see below), whose sum is σ = 1756905262000. Its totient is φ = 376479698976.

The previous prime is 878452630969. The next prime is 878452631041. The reversal of 878452630972 is 279036254878.

878452630972 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 878452630972.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15686654097 + ... + 15686654152.

Almost surely, 2^878452630972 is an apocalyptic number.

It is an amenable number.

878452630972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

878452630972 is a wasteful number, since it uses less digits than its factorization.

878452630972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31373308260 (or 31373308258 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 878452630972 in words is "eight hundred seventy-eight billion, four hundred fifty-two million, six hundred thirty thousand, nine hundred seventy-two".