779900934445 has 4 divisors (see below), whose sum is σ = 935881121340. Its totient is φ = 623920747552.

The previous prime is 779900934431. The next prime is 779900934479. The reversal of 779900934445 is 544439009977.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141645344164 + 638255590281 = 376358^2 + 798909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-779900934445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77990093440 + ... + 77990093449.

It is an arithmetic number, because the mean of its divisors is an integer number (233970280335).

Almost surely, 2^779900934445 is an apocalyptic number.

It is an amenable number.

779900934445 is a deficient number, since it is larger than the sum of its proper divisors (155980186895).

779900934445 is a wasteful number, since it uses less digits than its factorization.

779900934445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155980186894.

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 779900934445 in words is "seven hundred seventy-nine billion, nine hundred million, nine hundred thirty-four thousand, four hundred forty-five".