63963658072 has 16 divisors (see below), whose sum is σ = 119934671400. Its totient is φ = 31981079040.

The previous prime is 63963658063. The next prime is 63963658081. The reversal of 63963658072 is 27085636936.

It is an interprime number because it is at equal distance from previous prime (63963658063) and next prime (63963658081).

It is a congruent 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, 463672 + ... + 585592.

Almost surely, 2^63963658072 is an apocalyptic number.

It is an amenable number.

63963658072 is a deficient number, since it is larger than the sum of its proper divisors (55971013328).

63963658072 is a wasteful number, since it uses less digits than its factorization.

63963658072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187506 (or 187502 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 63963658072 in words is "sixty-three billion, nine hundred sixty-three million, six hundred fifty-eight thousand, seventy-two".