2879794809 has 16 divisors (see below), whose sum is σ = 4317768000. Its totient is φ = 1896730848.

The previous prime is 2879794807. The next prime is 2879794891. The reversal of 2879794809 is 9084979782.

2879794809 is a `hidden beast` number, since 2 + 87 + 9 + 79 + 480 + 9 = 666.

It is not a de Polignac number, because 2879794809 - 2¹ = 2879794807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2879794807) 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, 640284 + ... + 644765.

It is an arithmetic number, because the mean of its divisors is an integer number (269860500).

Almost surely, 2^2879794809 is an apocalyptic number.

It is an amenable number.

2879794809 is a deficient number, since it is larger than the sum of its proper divisors (1437973191).

2879794809 is a wasteful number, since it uses less digits than its factorization.

2879794809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285141 (or 1285135 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The square root of 2879794809 is about 53663.7196716739. The cubic root of 2879794809 is about 1422.7235319892.

The spelling of 2879794809 in words is "two billion, eight hundred seventy-nine million, seven hundred ninety-four thousand, eight hundred nine".