63864083790500 has 96 divisors (see below), whose sum is σ = 160659909795840. Its totient is φ = 21723845673600.

The previous prime is 63864083790467. The next prime is 63864083790583. The reversal of 63864083790500 is 509738046836.

It is a self number, because there is not a number n which added to its sum of digits gives 63864083790500.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 71393615 + ... + 72282614.

It is an arithmetic number, because the mean of its divisors is an integer number (1673540727040).

Almost surely, 2^{63864083790500} is an apocalyptic number.

It is an amenable number.

63864083790500 is an abundant number, since it is smaller than the sum of its proper divisors (96795826005340).

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

63864083790500 is a wasteful number, since it uses less digits than its factorization.

63864083790500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143676382 (or 143676370 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 63864083790500 in words is "sixty-three trillion, eight hundred sixty-four billion, eighty-three million, seven hundred ninety thousand, five hundred".