798977891583536 has 80 divisors (see below), whose sum is σ = 1794997466333184. Its totient is φ = 337427682273792.

The previous prime is 798977891583479. The next prime is 798977891583559. The reversal of 798977891583536 is 635385198779897.

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, 34327856 + ... + 52691151.

Almost surely, 2^{798977891583536} is an apocalyptic number.

It is an amenable number.

798977891583536 is an abundant number, since it is smaller than the sum of its proper divisors (996019574749648).

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

798977891583536 is a wasteful number, since it uses less digits than its factorization.

798977891583536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87020218 (or 87020212 counting only the distinct ones).

The product of its digits is 172832486400, while the sum is 95.

The spelling of 798977891583536 in words is "seven hundred ninety-eight trillion, nine hundred seventy-seven billion, eight hundred ninety-one million, five hundred eighty-three thousand, five hundred thirty-six".