780474883491 has 12 divisors (see below), whose sum is σ = 1127469643768. Its totient is φ = 520262573184.

The previous prime is 780474883477. The next prime is 780474883519. The reversal of 780474883491 is 194388474087.

780474883491 is a `hidden beast` number, since 7 + 80 + 47 + 488 + 34 + 9 + 1 = 666.

It is not a de Polignac number, because 780474883491 - 2²⁷ = 780340665763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (780474883451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4409710 + ... + 4583283.

Almost surely, 2^780474883491 is an apocalyptic number.

780474883491 is a deficient number, since it is larger than the sum of its proper divisors (346994760277).

780474883491 is a wasteful number, since it uses less digits than its factorization.

780474883491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002642 (or 9002639 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 780474883491 in words is "seven hundred eighty billion, four hundred seventy-four million, eight hundred eighty-three thousand, four hundred ninety-one".