791899357860 has 72 divisors (see below), whose sum is σ = 2586871243320. Its totient is φ = 194929072128.

The previous prime is 791899357793. The next prime is 791899357883. The reversal of 791899357860 is 68753998197.

It can be written as a sum of positive squares in 4 ways, for example, as 4622912064 + 787276445796 = 67992^2 + 887286^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169206925 + ... + 169211604.

Almost surely, 2^791899357860 is an apocalyptic number.

It is an amenable number.

791899357860 is an abundant number, since it is smaller than the sum of its proper divisors (1794971885460).

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

791899357860 is a wasteful number, since it uses less digits than its factorization.

791899357860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338418557 (or 338418552 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 72.

The spelling of 791899357860 in words is "seven hundred ninety-one billion, eight hundred ninety-nine million, three hundred fifty-seven thousand, eight hundred sixty".