63125482778 has 16 divisors (see below), whose sum is σ = 94840416000. Its totient is φ = 31512051552.

The previous prime is 63125482759. The next prime is 63125482859. The reversal of 63125482778 is 87728452136.

63125482778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3576038 + ... + 3593646.

It is an arithmetic number, because the mean of its divisors is an integer number (5927526000).

Almost surely, 2^63125482778 is an apocalyptic number.

63125482778 is a deficient number, since it is larger than the sum of its proper divisors (31714933222).

63125482778 is a wasteful number, since it uses less digits than its factorization.

63125482778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20389.

The product of its digits is 4515840, while the sum is 53.

The spelling of 63125482778 in words is "sixty-three billion, one hundred twenty-five million, four hundred eighty-two thousand, seven hundred seventy-eight".