63977047004 has 24 divisors (see below), whose sum is σ = 120584923200. Its totient is φ = 29524734144.

The previous prime is 63977046983. The next prime is 63977047007. The reversal of 63977047004 is 40074077936.

It is a self number, because there is not a number n which added to its sum of digits gives 63977047004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63977047007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471422 + ... + 591770.

It is an arithmetic number, because the mean of its divisors is an integer number (5024371800).

Almost surely, 2^63977047004 is an apocalyptic number.

It is an amenable number.

63977047004 is a deficient number, since it is larger than the sum of its proper divisors (56607876196).

63977047004 is a wasteful number, since it uses less digits than its factorization.

63977047004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130589 (or 130587 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 63977047004 in words is "sixty-three billion, nine hundred seventy-seven million, forty-seven thousand, four".