2978632790 has 32 divisors (see below), whose sum is σ = 6269978880. Its totient is φ = 997494624.

The previous prime is 2978632777. The next prime is 2978632819. The reversal of 2978632790 is 972368792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491780 + ... + 497799.

It is an arithmetic number, because the mean of its divisors is an integer number (195936840).

Almost surely, 2^2978632790 is an apocalyptic number.

2978632790 is an abundant number, since it is smaller than the sum of its proper divisors (3291346090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2978632790 is a wasteful number, since it uses less digits than its factorization.

2978632790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989636.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 2978632790 is about 54576.8521444760. The cubic root of 2978632790 is about 1438.8173143445.

The spelling of 2978632790 in words is "two billion, nine hundred seventy-eight million, six hundred thirty-two thousand, seven hundred ninety".