797577767604 has 72 divisors (see below), whose sum is σ = 2084509609728. Its totient is φ = 256865938560.

The previous prime is 797577767587. The next prime is 797577767659. The reversal of 797577767604 is 406767775797.

797577767604 is a `hidden beast` number, since 7 + 9 + 7 + 5 + 7 + 7 + 7 + 6 + 7 + 604 = 666.

It is a super-2 number, since 2×797577767604² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 109419 + ... + 1267725.

Almost surely, 2^797577767604 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 797577767604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1042254804864).

797577767604 is an abundant number, since it is smaller than the sum of its proper divisors (1286931842124).

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

797577767604 is a wasteful number, since it uses less digits than its factorization.

797577767604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158965 (or 1158960 counting only the distinct ones).

The product of its (nonzero) digits is 762365520, while the sum is 72.

The spelling of 797577767604 in words is "seven hundred ninety-seven billion, five hundred seventy-seven million, seven hundred sixty-seven thousand, six hundred four".