779960481749 has 24 divisors (see below), whose sum is σ = 839257324800. Its totient is φ = 722838237120.

The previous prime is 779960481737. The next prime is 779960481757. The reversal of 779960481749 is 947184069977.

It is not a de Polignac number, because 779960481749 - 2²⁰ = 779959433173 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 (779960486749) 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, 134682044 + ... + 134687834.

It is an arithmetic number, because the mean of its divisors is an integer number (34969055200).

Almost surely, 2^779960481749 is an apocalyptic number.

It is an amenable number.

779960481749 is a deficient number, since it is larger than the sum of its proper divisors (59296843051).

779960481749 is a wasteful number, since it uses less digits than its factorization.

779960481749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9113 (or 9066 counting only the distinct ones).

The product of its (nonzero) digits is 192036096, while the sum is 71.

The spelling of 779960481749 in words is "seven hundred seventy-nine billion, nine hundred sixty million, four hundred eighty-one thousand, seven hundred forty-nine".