63798851788 has 12 divisors (see below), whose sum is σ = 127597703632. Its totient is φ = 27342365040.

The previous prime is 63798851777. The next prime is 63798851819. The reversal of 63798851788 is 88715889736.

63798851788 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139265183 + ... + 1139265238.

Almost surely, 2^63798851788 is an apocalyptic number.

It is an amenable number.

63798851788 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.

63798851788 is a wasteful number, since it uses less digits than its factorization.

63798851788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278530432 (or 2278530430 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 70.

The spelling of 63798851788 in words is "sixty-three billion, seven hundred ninety-eight million, eight hundred fifty-one thousand, seven hundred eighty-eight".