63131876320 has 48 divisors (see below), whose sum is σ = 150287650128. Its totient is φ = 25059973120.

The previous prime is 63131876303. The next prime is 63131876329. The reversal of 63131876320 is 2367813136.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63131876329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485049 + ... + 1526968.

It is an arithmetic number, because the mean of its divisors is an integer number (3130992711).

Almost surely, 2^63131876320 is an apocalyptic number.

It is an amenable number.

63131876320 is an abundant number, since it is smaller than the sum of its proper divisors (87155773808).

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

63131876320 is a wasteful number, since it uses less digits than its factorization.

63131876320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012163 (or 3012155 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 63131876320 in words is "sixty-three billion, one hundred thirty-one million, eight hundred seventy-six thousand, three hundred twenty".