63797719662 has 32 divisors (see below), whose sum is σ = 141783264000. Its totient is φ = 21264323544.

The previous prime is 63797719651. The next prime is 63797719709. The reversal of 63797719662 is 26691779736.

63797719662 is a `hidden beast` number, since 6 + 379 + 77 + 196 + 6 + 2 = 666.

It is a super-2 number, since 2×63797719662² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 63797719662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857839 + ... + 929237.

It is an arithmetic number, because the mean of its divisors is an integer number (4430727000).

Almost surely, 2^63797719662 is an apocalyptic number.

63797719662 is an abundant number, since it is smaller than the sum of its proper divisors (77985544338).

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

63797719662 is a wasteful number, since it uses less digits than its factorization.

63797719662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87957 (or 87951 counting only the distinct ones).

The product of its digits is 36006768, while the sum is 63.

The spelling of 63797719662 in words is "sixty-three billion, seven hundred ninety-seven million, seven hundred nineteen thousand, six hundred sixty-two".