790156338881 has 24 divisors (see below), whose sum is σ = 991046669760. Its totient is φ = 624433072032.

The previous prime is 790156338841. The next prime is 790156338887. The reversal of 790156338881 is 188833651097.

It is not a de Polignac number, because 790156338881 - 2¹⁴ = 790156322497 is a prime.

It is a super-2 number, since 2×790156338881² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 790156338881.

It is not an unprimeable number, because it can be changed into a prime (790156338887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204791 + ... + 1273676.

It is an arithmetic number, because the mean of its divisors is an integer number (41293611240).

Almost surely, 2^790156338881 is an apocalyptic number.

It is an amenable number.

790156338881 is a deficient number, since it is larger than the sum of its proper divisors (200890330879).

790156338881 is a wasteful number, since it uses less digits than its factorization.

790156338881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479333 (or 1479326 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 790156338881 in words is "seven hundred ninety billion, one hundred fifty-six million, three hundred thirty-eight thousand, eight hundred eighty-one".