2879449677 has 24 divisors (see below), whose sum is σ = 4714892000. Its totient is φ = 1678706208.

The previous prime is 2879449619. The next prime is 2879449679. The reversal of 2879449677 is 7769449782.

2879449677 is a `hidden beast` number, since 2 + 8 + 79 + 4 + 496 + 77 = 666.

2879449677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2879449677 - 2⁸ = 2879449421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2879449679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 645427 + ... + 649872.

Almost surely, 2^2879449677 is an apocalyptic number.

It is an amenable number.

2879449677 is a deficient number, since it is larger than the sum of its proper divisors (1835442323).

2879449677 is a wasteful number, since it uses less digits than its factorization.

2879449677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295337 (or 1295334 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The square root of 2879449677 is about 53660.5038832100. The cubic root of 2879449677 is about 1422.6666937920. Note that the first 4 decimals are identical.

The spelling of 2879449677 in words is "two billion, eight hundred seventy-nine million, four hundred forty-nine thousand, six hundred seventy-seven".