977794424 has 16 divisors (see below), whose sum is σ = 1849590720. Its totient is φ = 484570240.

The previous prime is 977794393. The next prime is 977794427. The reversal of 977794424 is 424497779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977794427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539912 + ... + 541719.

It is an arithmetic number, because the mean of its divisors is an integer number (115599420).

Almost surely, 2^977794424 is an apocalyptic number.

It is an amenable number.

977794424 is a deficient number, since it is larger than the sum of its proper divisors (871796296).

977794424 is a wasteful number, since it uses less digits than its factorization.

977794424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081750 (or 1081746 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 53.

The square root of 977794424 is about 31269.7045716777. The cubic root of 977794424 is about 992.5426677679.

The spelling of 977794424 in words is "nine hundred seventy-seven million, seven hundred ninety-four thousand, four hundred twenty-four".