63122720292788 has 48 divisors (see below), whose sum is σ = 121930941941760. Its totient is φ = 28414263798144.

The previous prime is 63122720292757. The next prime is 63122720292799. The reversal of 63122720292788 is 88729202722136.

It is a Harshad number since it is a multiple of its sum of digits (59).

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, 80612531 + ... + 81391802.

It is an arithmetic number, because the mean of its divisors is an integer number (2540227957120).

Almost surely, 2^{63122720292788} is an apocalyptic number.

It is an amenable number.

63122720292788 is a deficient number, since it is larger than the sum of its proper divisors (58808221648972).

63122720292788 is a wasteful number, since it uses less digits than its factorization.

63122720292788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162004536 (or 162004534 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 59.

The spelling of 63122720292788 in words is "sixty-three trillion, one hundred twenty-two billion, seven hundred twenty million, two hundred ninety-two thousand, seven hundred eighty-eight".