2979804797 has 2 divisors, whose sum is σ = 2979804798. Its totient is φ = 2979804796.

The previous prime is 2979804791. The next prime is 2979804901. The reversal of 2979804797 is 7974089792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2906719396 + 73085401 = 53914^2 + 8549^2 .

It is a cyclic number.

It is not a de Polignac number, because 2979804797 - 2⁶ = 2979804733 is a prime.

It is a super-2 number, since 2×2979804797² = 17758473256448422418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2979804791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489902398 + 1489902399.

It is an arithmetic number, because the mean of its divisors is an integer number (1489902399).

Almost surely, 2^2979804797 is an apocalyptic number.

It is an amenable number.

2979804797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2979804797 is an equidigital number, since it uses as much as digits as its factorization.

2979804797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16003008, while the sum is 62.

The square root of 2979804797 is about 54587.5883054014. The cubic root of 2979804797 is about 1439.0060007834.

The spelling of 2979804797 in words is "two billion, nine hundred seventy-nine million, eight hundred four thousand, seven hundred ninety-seven".