799056438831 has 24 divisors (see below), whose sum is σ = 1376428485120. Its totient is φ = 436751344656.

The previous prime is 799056438781. The next prime is 799056438839. The reversal of 799056438831 is 138834650997.

799056438831 is a `hidden beast` number, since 7 + 9 + 9 + 0 + 564 + 38 + 8 + 31 = 666.

It is not a de Polignac number, because 799056438831 - 2⁹ = 799056438319 is a prime.

It is a super-2 number, since 2×799056438831² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799056438839) 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, 275725411 + ... + 275728308.

It is an arithmetic number, because the mean of its divisors is an integer number (57351186880).

Almost surely, 2^799056438831 is an apocalyptic number.

799056438831 is a deficient number, since it is larger than the sum of its proper divisors (577372046289).

799056438831 is a wasteful number, since it uses less digits than its factorization.

799056438831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551453755 (or 551453752 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 799056438831 in words is "seven hundred ninety-nine billion, fifty-six million, four hundred thirty-eight thousand, eight hundred thirty-one".