799881123 has 8 divisors (see below), whose sum is σ = 1067214528. Its totient is φ = 532900904.

The previous prime is 799881091. The next prime is 799881139. The reversal of 799881123 is 321188997.

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 799881123 - 2⁵ = 799881091 is a prime.

It is a super-2 number, since 2×799881123² = 1279619621863482258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (799881193) 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, 82965 + ... + 92102.

It is an arithmetic number, because the mean of its divisors is an integer number (133401816).

Almost surely, 2^799881123 is an apocalyptic number.

799881123 is a deficient number, since it is larger than the sum of its proper divisors (267333405).

799881123 is a wasteful number, since it uses less digits than its factorization.

799881123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176593.

The product of its digits is 217728, while the sum is 48.

The square root of 799881123 is about 28282.1697010678. The cubic root of 799881123 is about 928.2717829318.

The spelling of 799881123 in words is "seven hundred ninety-nine million, eight hundred eighty-one thousand, one hundred twenty-three".