76899994727 has 2 divisors, whose sum is σ = 76899994728. Its totient is φ = 76899994726.

The previous prime is 76899994709. The next prime is 76899994739. The reversal of 76899994727 is 72749999867.

It is a strong prime.

It is an emirp because it is prime and its reverse (72749999867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76899994727 - 2⁸ = 76899994471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76899994027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38449997363 + 38449997364.

It is an arithmetic number, because the mean of its divisors is an integer number (38449997364).

Almost surely, 2^76899994727 is an apocalyptic number.

76899994727 is a deficient number, since it is larger than the sum of its proper divisors (1).

76899994727 is an equidigital number, since it uses as much as digits as its factorization.

76899994727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864162432, while the sum is 77.

The spelling of 76899994727 in words is "seventy-six billion, eight hundred ninety-nine million, nine hundred ninety-four thousand, seven hundred twenty-seven".