63479377988 has 96 divisors (see below), whose sum is σ = 126350945280. Its totient is φ = 27686292480.

The previous prime is 63479377963. The next prime is 63479378009. The reversal of 63479377988 is 88977397436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39159818 + ... + 39161438.

It is an arithmetic number, because the mean of its divisors is an integer number (1316155680).

Almost surely, 2^63479377988 is an apocalyptic number.

It is an amenable number.

63479377988 is a deficient number, since it is larger than the sum of its proper divisors (62871567292).

63479377988 is a wasteful number, since it uses less digits than its factorization.

63479377988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037 (or 2035 counting only the distinct ones).

The product of its digits is 384072192, while the sum is 71.

The spelling of 63479377988 in words is "sixty-three billion, four hundred seventy-nine million, three hundred seventy-seven thousand, nine hundred eighty-eight".