76899994027 has 2 divisors, whose sum is σ = 76899994028. Its totient is φ = 76899994026.

The previous prime is 76899994021. The next prime is 76899994043. The reversal of 76899994027 is 72049999867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76899994027 - 2³¹ = 74752510379 is a prime.

It is not a weakly prime, because it can be changed into another prime (76899994021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38449997013 + 38449997014.

It is an arithmetic number, because the mean of its divisors is an integer number (38449997014).

Almost surely, 2^76899994027 is an apocalyptic number.

76899994027 is a deficient number, since it is larger than the sum of its proper divisors (1).

76899994027 is an equidigital number, since it uses as much as digits as its factorization.

76899994027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123451776, while the sum is 70.

The spelling of 76899994027 in words is "seventy-six billion, eight hundred ninety-nine million, nine hundred ninety-four thousand, twenty-seven".