779970123711 has 24 divisors (see below), whose sum is σ = 1130071007520. Its totient is φ = 518389728000.

The previous prime is 779970123697. The next prime is 779970123749. The reversal of 779970123711 is 117321079977.

It is not a de Polignac number, because 779970123711 - 2¹¹ = 779970121663 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (779970123511) 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, 12508411 + ... + 12570611.

It is an arithmetic number, because the mean of its divisors is an integer number (47086291980).

Almost surely, 2^779970123711 is an apocalyptic number.

779970123711 is a deficient number, since it is larger than the sum of its proper divisors (350100883809).

779970123711 is a wasteful number, since it uses less digits than its factorization.

779970123711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66447 (or 66444 counting only the distinct ones).

The product of its (nonzero) digits is 1166886, while the sum is 54.

The spelling of 779970123711 in words is "seven hundred seventy-nine billion, nine hundred seventy million, one hundred twenty-three thousand, seven hundred eleven".