63387799679997 has 48 divisors (see below), whose sum is σ = 101789231544000. Its totient is φ = 37763541978624.

The previous prime is 63387799679987. The next prime is 63387799680041. The reversal of 63387799679997 is 79997699778336.

63387799679997 is a `hidden beast` number, since 6 + 3 + 387 + 79 + 9 + 67 + 9 + 9 + 97 = 666.

It is not a de Polignac number, because 63387799679997 - 2⁸ = 63387799679741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63387799679898 and 63387799679907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63387799679987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55181247 + ... + 56318252.

It is an arithmetic number, because the mean of its divisors is an integer number (2120608990500).

Almost surely, 2^{63387799679997} is an apocalyptic number.

It is an amenable number.

63387799679997 is a deficient number, since it is larger than the sum of its proper divisors (38401431864003).

63387799679997 is a wasteful number, since it uses less digits than its factorization.

63387799679997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111499674 (or 111499671 counting only the distinct ones).

The product of its digits is 367485074208, while the sum is 99.

The spelling of 63387799679997 in words is "sixty-three trillion, three hundred eighty-seven billion, seven hundred ninety-nine million, six hundred seventy-nine thousand, nine hundred ninety-seven".