2978979841 has 8 divisors (see below), whose sum is σ = 2985638400. Its totient is φ = 2972330592.

The previous prime is 2978979827. The next prime is 2978979859. The reversal of 2978979841 is 1489798792.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2978979841 - 2⁹ = 2978979329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2978979821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240560 + ... + 1242958.

It is an arithmetic number, because the mean of its divisors is an integer number (373204800).

Almost surely, 2^2978979841 is an apocalyptic number.

It is an amenable number.

2978979841 is a deficient number, since it is larger than the sum of its proper divisors (6658559).

2978979841 is a wasteful number, since it uses less digits than its factorization.

2978979841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655.

The product of its digits is 18289152, while the sum is 64.

The square root of 2978979841 is about 54580.0315225266. The cubic root of 2978979841 is about 1438.8731927324.

The spelling of 2978979841 in words is "two billion, nine hundred seventy-eight million, nine hundred seventy-nine thousand, eight hundred forty-one".