2979595978 has 16 divisors (see below), whose sum is σ = 4512594240. Its totient is φ = 1475419456.

The previous prime is 2979595963. The next prime is 2979595999. The reversal of 2979595978 is 8795959792.

It is a super-2 number, since 2×2979595978² = 17755984384227552968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317883 + ... + 327121.

It is an arithmetic number, because the mean of its divisors is an integer number (282037140).

Almost surely, 2^2979595978 is an apocalyptic number.

2979595978 is a deficient number, since it is larger than the sum of its proper divisors (1532998262).

2979595978 is a wasteful number, since it uses less digits than its factorization.

2979595978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10781.

The product of its digits is 128595600, while the sum is 70.

The square root of 2979595978 is about 54585.6755751910. The cubic root of 2979595978 is about 1438.9723857388.

The spelling of 2979595978 in words is "two billion, nine hundred seventy-nine million, five hundred ninety-five thousand, nine hundred seventy-eight".