791871925015 has 8 divisors (see below), whose sum is σ = 950496595200. Its totient is φ = 633330683232.

The previous prime is 791871924959. The next prime is 791871925043. The reversal of 791871925015 is 510529178197.

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 791871925015 - 2⁷ = 791871924887 is a prime.

It is a super-2 number, since 2×791871925015² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20836215 + ... + 20874184.

It is an arithmetic number, because the mean of its divisors is an integer number (118812074400).

Almost surely, 2^791871925015 is an apocalyptic number.

791871925015 is a deficient number, since it is larger than the sum of its proper divisors (158624670185).

791871925015 is a wasteful number, since it uses less digits than its factorization.

791871925015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41714201.

The product of its (nonzero) digits is 1587600, while the sum is 55.

The spelling of 791871925015 in words is "seven hundred ninety-one billion, eight hundred seventy-one million, nine hundred twenty-five thousand, fifteen".