23085787879 has 32 divisors (see below), whose sum is σ = 30263063040. Its totient is φ = 17083785600.

The previous prime is 23085787867. The next prime is 23085787913. The reversal of 23085787879 is 97878758032.

It is not a de Polignac number, because 23085787879 - 2⁵ = 23085787847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23085787879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23085787849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51472 + ... + 220954.

It is an arithmetic number, because the mean of its divisors is an integer number (945720720).

Almost surely, 2^23085787879 is an apocalyptic number.

23085787879 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

23085787879 is a deficient number, since it is larger than the sum of its proper divisors (7177275161).

23085787879 is a wasteful number, since it uses less digits than its factorization.

23085787879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169591.

The product of its (nonzero) digits is 47416320, while the sum is 64.

The spelling of 23085787879 in words is "twenty-three billion, eighty-five million, seven hundred eighty-seven thousand, eight hundred seventy-nine".