791047150218 has 48 divisors (see below), whose sum is σ = 1871773577856. Its totient is φ = 239970961440.

The previous prime is 791047150193. The next prime is 791047150249. The reversal of 791047150218 is 812051740197.

It is a happy number.

791047150218 is a `hidden beast` number, since 7 + 91 + 0 + 47 + 1 + 502 + 18 = 666.

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, 23790030 + ... + 23823257.

It is an arithmetic number, because the mean of its divisors is an integer number (38995282872).

Almost surely, 2^791047150218 is an apocalyptic number.

791047150218 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

791047150218 is an abundant number, since it is smaller than the sum of its proper divisors (1080726427638).

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

791047150218 is a wasteful number, since it uses less digits than its factorization.

791047150218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47613379 (or 47613376 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The spelling of 791047150218 in words is "seven hundred ninety-one billion, forty-seven million, one hundred fifty thousand, two hundred eighteen".