63976484264 has 96 divisors (see below), whose sum is σ = 154722195360. Its totient is φ = 24517180800.

The previous prime is 63976484261. The next prime is 63976484291. The reversal of 63976484264 is 46248467936.

It is not an unprimeable number, because it can be changed into a prime (63976484261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141419 + ... + 384645.

It is an arithmetic number, because the mean of its divisors is an integer number (1611689535).

Almost surely, 2^63976484264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63976484264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77361097680).

63976484264 is an abundant number, since it is smaller than the sum of its proper divisors (90745711096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63976484264 is a wasteful number, since it uses less digits than its factorization.

63976484264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243319 (or 243308 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 59.

The spelling of 63976484264 in words is "sixty-three billion, nine hundred seventy-six million, four hundred eighty-four thousand, two hundred sixty-four".