791934125531 has 8 divisors (see below), whose sum is σ = 833657993280. Its totient is φ = 750214570248.

The previous prime is 791934125527. The next prime is 791934125533. The reversal of 791934125531 is 135521439197.

It is a happy number.

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 791934125531 - 2² = 791934125527 is a prime.

It is a super-2 number, since 2×791934125531² (a number of 25 digits) contains 22 as substring.

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 791934125531.

It is not an unprimeable number, because it can be changed into a prime (791934125533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697721 + ... + 1438986.

It is an arithmetic number, because the mean of its divisors is an integer number (104207249160).

Almost surely, 2^791934125531 is an apocalyptic number.

791934125531 is a deficient number, since it is larger than the sum of its proper divisors (41723867749).

791934125531 is a wasteful number, since it uses less digits than its factorization.

791934125531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156233.

The product of its digits is 1020600, while the sum is 50.

The spelling of 791934125531 in words is "seven hundred ninety-one billion, nine hundred thirty-four million, one hundred twenty-five thousand, five hundred thirty-one".