788981879 has 12 divisors (see below), whose sum is σ = 919327464. Its totient is φ = 675141264.

The previous prime is 788981833. The next prime is 788981911. The reversal of 788981879 is 978189887.

It is not a de Polignac number, because 788981879 - 2⁸ = 788981623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788981579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16904 + ... + 43170.

It is an arithmetic number, because the mean of its divisors is an integer number (76610622).

Almost surely, 2^788981879 is an apocalyptic number.

788981879 is a deficient number, since it is larger than the sum of its proper divisors (130345585).

788981879 is a wasteful number, since it uses less digits than its factorization.

788981879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26894 (or 26887 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 65.

The square root of 788981879 is about 28088.8212461826. The cubic root of 788981879 is about 924.0362512560.

The spelling of 788981879 in words is "seven hundred eighty-eight million, nine hundred eighty-one thousand, eight hundred seventy-nine".