7798774303992 has 64 divisors (see below), whose sum is σ = 22296078789120. Its totient is φ = 2226834580608.

The previous prime is 7798774303921. The next prime is 7798774304003. The reversal of 7798774303992 is 2993034778977.

It is a hoax number, since the sum of its digits (75) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14173483 + ... + 14713434.

It is an arithmetic number, because the mean of its divisors is an integer number (348376231080).

Almost surely, 2^{7798774303992} is an apocalyptic number.

It is an amenable number.

7798774303992 is an abundant number, since it is smaller than the sum of its proper divisors (14497304485128).

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

7798774303992 is a wasteful number, since it uses less digits than its factorization.

7798774303992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28888540 (or 28888536 counting only the distinct ones).

The product of its (nonzero) digits is 1008189504, while the sum is 75.

The spelling of 7798774303992 in words is "seven trillion, seven hundred ninety-eight billion, seven hundred seventy-four million, three hundred three thousand, nine hundred ninety-two".