2478670979 has 2 divisors, whose sum is σ = 2478670980. Its totient is φ = 2478670978.

The previous prime is 2478670927. The next prime is 2478671003. The reversal of 2478670979 is 9790768742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2478670979 - 2⁸ = 2478670723 is a prime.

It is a super-2 number, since 2×2478670979² = 12287619644273636882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2478670679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239335489 + 1239335490.

It is an arithmetic number, because the mean of its divisors is an integer number (1239335490).

Almost surely, 2^2478670979 is an apocalyptic number.

2478670979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478670979 is an equidigital number, since it uses as much as digits as its factorization.

2478670979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10668672, while the sum is 59.

The square root of 2478670979 is about 49786.2529118230. The cubic root of 2478670979 is about 1353.3380547302.

The spelling of 2478670979 in words is "two billion, four hundred seventy-eight million, six hundred seventy thousand, nine hundred seventy-nine".