76899995251 has 2 divisors, whose sum is σ = 76899995252. Its totient is φ = 76899995250.

The previous prime is 76899995209. The next prime is 76899995267. The reversal of 76899995251 is 15259999867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76899995251 - 2⁹ = 76899994739 is a prime.

It is not a weakly prime, because it can be changed into another prime (76899995351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38449997625 + 38449997626.

It is an arithmetic number, because the mean of its divisors is an integer number (38449997626).

Almost surely, 2^76899995251 is an apocalyptic number.

76899995251 is a deficient number, since it is larger than the sum of its proper divisors (1).

76899995251 is an equidigital number, since it uses as much as digits as its factorization.

76899995251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110224800, while the sum is 70.

The spelling of 76899995251 in words is "seventy-six billion, eight hundred ninety-nine million, nine hundred ninety-five thousand, two hundred fifty-one".