63457798966992 has 60 divisors (see below), whose sum is σ = 177603082094880. Its totient is φ = 21151482337344.

The previous prime is 63457798966987. The next prime is 63457798966993. The reversal of 63457798966992 is 29966989775436.

63457798966992 is a `hidden beast` number, since 6 + 3 + 457 + 7 + 9 + 8 + 9 + 6 + 69 + 92 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63457798966993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8900892 + ... + 14357627.

It is an arithmetic number, because the mean of its divisors is an integer number (2960051368248).

Almost surely, 2^{63457798966992} is an apocalyptic number.

It is an amenable number.

63457798966992 is an abundant number, since it is smaller than the sum of its proper divisors (114145283127888).

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

63457798966992 is a wasteful number, since it uses less digits than its factorization.

63457798966992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23277480 (or 23277471 counting only the distinct ones).

The product of its digits is 66663959040, while the sum is 90.

The spelling of 63457798966992 in words is "sixty-three trillion, four hundred fifty-seven billion, seven hundred ninety-eight million, nine hundred sixty-six thousand, nine hundred ninety-two".