63712516252779 has 64 divisors (see below), whose sum is σ = 95166685486080. Its totient is φ = 42126655806720.

The previous prime is 63712516252771. The next prime is 63712516252787. The reversal of 63712516252779 is 97725261521736.

63712516252779 is a `hidden beast` number, since 6 + 3 + 7 + 1 + 2 + 516 + 25 + 27 + 79 = 666.

It is an interprime number because it is at equal distance from previous prime (63712516252771) and next prime (63712516252787).

It is not a de Polignac number, because 63712516252779 - 2³ = 63712516252771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63712516252771) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2726123964 + ... + 2726147334.

It is an arithmetic number, because the mean of its divisors is an integer number (1486979460720).

Almost surely, 2^{63712516252779} is an apocalyptic number.

63712516252779 is a deficient number, since it is larger than the sum of its proper divisors (31454169233301).

63712516252779 is a wasteful number, since it uses less digits than its factorization.

63712516252779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25297 (or 25291 counting only the distinct ones).

The product of its digits is 66679200, while the sum is 63.

The spelling of 63712516252779 in words is "sixty-three trillion, seven hundred twelve billion, five hundred sixteen million, two hundred fifty-two thousand, seven hundred seventy-nine".