2979994727 has 2 divisors, whose sum is σ = 2979994728. Its totient is φ = 2979994726.

The previous prime is 2979994723. The next prime is 2979994781. The reversal of 2979994727 is 7274999792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2979994727 - 2² = 2979994723 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2979994723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489997363 + 1489997364.

It is an arithmetic number, because the mean of its divisors is an integer number (1489997364).

Almost surely, 2^2979994727 is an apocalyptic number.

2979994727 is a deficient number, since it is larger than the sum of its proper divisors (1).

2979994727 is an equidigital number, since it uses as much as digits as its factorization.

2979994727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36006768, while the sum is 65.

The square root of 2979994727 is about 54589.3279588602. The cubic root of 2979994727 is about 1439.0365737707.

The spelling of 2979994727 in words is "two billion, nine hundred seventy-nine million, nine hundred ninety-four thousand, seven hundred twenty-seven".