2958679978 has 8 divisors (see below), whose sum is σ = 4438263168. Its totient is φ = 1479258924.

The previous prime is 2958679931. The next prime is 2958680041. The reversal of 2958679978 is 8799768592.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28825 + ... + 82147.

It is an arithmetic number, because the mean of its divisors is an integer number (554782896).

Almost surely, 2^2958679978 is an apocalyptic number.

2958679978 is a deficient number, since it is larger than the sum of its proper divisors (1479583190).

2958679978 is a wasteful number, since it uses less digits than its factorization.

2958679978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81068.

The product of its digits is 137168640, while the sum is 70.

The square root of 2958679978 is about 54393.7494386993. The cubic root of 2958679978 is about 1435.5974037757.

The spelling of 2958679978 in words is "two billion, nine hundred fifty-eight million, six hundred seventy-nine thousand, nine hundred seventy-eight".