63572473788 has 24 divisors (see below), whose sum is σ = 148926758400. Its totient is φ = 21106398000.

The previous prime is 63572473771. The next prime is 63572473793. The reversal of 63572473788 is 88737427536.

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, 10550188 + ... + 10556211.

It is an arithmetic number, because the mean of its divisors is an integer number (6205281600).

Almost surely, 2^63572473788 is an apocalyptic number.

It is an amenable number.

63572473788 is an abundant number, since it is smaller than the sum of its proper divisors (85354284612).

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

63572473788 is a wasteful number, since it uses less digits than its factorization.

63572473788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21106657 (or 21106655 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 60.

The spelling of 63572473788 in words is "sixty-three billion, five hundred seventy-two million, four hundred seventy-three thousand, seven hundred eighty-eight".