791657298871 has 8 divisors (see below), whose sum is σ = 804959727264. Its totient is φ = 778414657440.

The previous prime is 791657298823. The next prime is 791657298877. The reversal of 791657298871 is 178892756197.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 791657298871 - 2¹⁹ = 791656774583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 791657298871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791657298877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14920036 + ... + 14973001.

It is an arithmetic number, because the mean of its divisors is an integer number (100619965908).

Almost surely, 2^791657298871 is an apocalyptic number.

791657298871 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

791657298871 is a deficient number, since it is larger than the sum of its proper divisors (13302428393).

791657298871 is a wasteful number, since it uses less digits than its factorization.

791657298871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29893481.

The product of its digits is 106686720, while the sum is 70.

The spelling of 791657298871 in words is "seven hundred ninety-one billion, six hundred fifty-seven million, two hundred ninety-eight thousand, eight hundred seventy-one".