2978079331 has 2 divisors, whose sum is σ = 2978079332. Its totient is φ = 2978079330.

The previous prime is 2978079317. The next prime is 2978079367. The reversal of 2978079331 is 1339708792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2978079331 - 2¹³ = 2978071139 is a prime.

It is a super-2 number, since 2×2978079331² = 17737913003458815122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2978079131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489039665 + 1489039666.

It is an arithmetic number, because the mean of its divisors is an integer number (1489039666).

Almost surely, 2^2978079331 is an apocalyptic number.

2978079331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978079331 is an equidigital number, since it uses as much as digits as its factorization.

2978079331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 2978079331 is about 54571.7814534215. The cubic root of 2978079331 is about 1438.7281933982.

The spelling of 2978079331 in words is "two billion, nine hundred seventy-eight million, seventy-nine thousand, three hundred thirty-one".