63767874620 has 12 divisors (see below), whose sum is σ = 133912536744. Its totient is φ = 25507149840.

The previous prime is 63767874607. The next prime is 63767874631. The reversal of 63767874620 is 2647876736.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594196846 + ... + 1594196885.

It is an arithmetic number, because the mean of its divisors is an integer number (11159378062).

Almost surely, 2^63767874620 is an apocalyptic number.

It is an amenable number.

63767874620 is an abundant number, since it is smaller than the sum of its proper divisors (70144662124).

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

63767874620 is a wasteful number, since it uses less digits than its factorization.

63767874620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188393740 (or 3188393738 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 56.

The spelling of 63767874620 in words is "sixty-three billion, seven hundred sixty-seven million, eight hundred seventy-four thousand, six hundred twenty".