791532779937 has 8 divisors (see below), whose sum is σ = 1117458042336. Its totient is φ = 496648018752.

The previous prime is 791532779927. The next prime is 791532779957. The reversal of 791532779937 is 739977235197.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-791532779937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (791532779927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7760125243 + ... + 7760125344.

It is an arithmetic number, because the mean of its divisors is an integer number (139682255292).

Almost surely, 2^791532779937 is an apocalyptic number.

It is an amenable number.

791532779937 is a deficient number, since it is larger than the sum of its proper divisors (325925262399).

791532779937 is a wasteful number, since it uses less digits than its factorization.

791532779937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15520250607.

The product of its digits is 157529610, while the sum is 69.

The spelling of 791532779937 in words is "seven hundred ninety-one billion, five hundred thirty-two million, seven hundred seventy-nine thousand, nine hundred thirty-seven".