2977784745 has 16 divisors (see below), whose sum is σ = 5130952512. Its totient is φ = 1465986240.

The previous prime is 2977784731. The next prime is 2977784749. The reversal of 2977784745 is 5474877792.

It is not a de Polignac number, because 2977784745 - 2⁴ = 2977784729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2977784749) 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, 7635151 + ... + 7635540.

It is an arithmetic number, because the mean of its divisors is an integer number (320684532).

Almost surely, 2^2977784745 is an apocalyptic number.

It is an amenable number.

2977784745 is a deficient number, since it is larger than the sum of its proper divisors (2153167767).

2977784745 is a wasteful number, since it uses less digits than its factorization.

2977784745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15270712.

The product of its digits is 27659520, while the sum is 60.

The square root of 2977784745 is about 54569.0823177374. The cubic root of 2977784745 is about 1438.6807530726.

The spelling of 2977784745 in words is "two billion, nine hundred seventy-seven million, seven hundred eighty-four thousand, seven hundred forty-five".