798100774791 has 4 divisors (see below), whose sum is σ = 1064134366392. Its totient is φ = 532067183192.

The previous prime is 798100774789. The next prime is 798100774829. The reversal of 798100774791 is 197477001897.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 798100774791 - 2¹ = 798100774789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798100774771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133016795796 + ... + 133016795801.

It is an arithmetic number, because the mean of its divisors is an integer number (266033591598).

Almost surely, 2^798100774791 is an apocalyptic number.

798100774791 is a deficient number, since it is larger than the sum of its proper divisors (266033591601).

798100774791 is a wasteful number, since it uses less digits than its factorization.

798100774791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266033591600.

The product of its (nonzero) digits is 6223392, while the sum is 60.

The spelling of 798100774791 in words is "seven hundred ninety-eight billion, one hundred million, seven hundred seventy-four thousand, seven hundred ninety-one".