363999477798 has 48 divisors (see below), whose sum is σ = 862759123200. Its totient is φ = 109995600240.

The previous prime is 363999477761. The next prime is 363999477811. The reversal of 363999477798 is 897774999363.

363999477798 is a `hidden beast` number, since 3 + 6 + 399 + 94 + 77 + 79 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2489338 + ... + 2631501.

It is an arithmetic number, because the mean of its divisors is an integer number (17974148400).

Almost surely, 2^363999477798 is an apocalyptic number.

363999477798 is an abundant number, since it is smaller than the sum of its proper divisors (498759645402).

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

363999477798 is a wasteful number, since it uses less digits than its factorization.

363999477798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121217 (or 5121214 counting only the distinct ones).

The product of its digits is 3888730944, while the sum is 81.

The spelling of 363999477798 in words is "three hundred sixty-three billion, nine hundred ninety-nine million, four hundred seventy-seven thousand, seven hundred ninety-eight".