774699996477 has 16 divisors (see below), whose sum is σ = 1163185920000. Its totient is φ = 454369498800.

The previous prime is 774699996347. The next prime is 774699996479.

774699996477 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 774699996477 - 2²⁰ = 774698947901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 774699996477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774699996479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378640227 + ... + 378642272.

It is an arithmetic number, because the mean of its divisors is an integer number (72699120000).

Almost surely, 2^774699996477 is an apocalyptic number.

It is an amenable number.

774699996477 is a deficient number, since it is larger than the sum of its proper divisors (388485923523).

774699996477 is a wasteful number, since it uses less digits than its factorization.

774699996477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757282544.

The product of its digits is 9073705536, while the sum is 84.

The spelling of 774699996477 in words is "seven hundred seventy-four billion, six hundred ninety-nine million, nine hundred ninety-six thousand, four hundred seventy-seven".