76899994901 has 2 divisors, whose sum is σ = 76899994902. Its totient is φ = 76899994900.

The previous prime is 76899994891. The next prime is 76899994909. The reversal of 76899994901 is 10949999867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73698132676 + 3201862225 = 271474^2 + 56585^2 .

It is an emirp because it is prime and its reverse (10949999867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76899994901 - 2¹⁴ = 76899978517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76899994909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38449997450 + 38449997451.

It is an arithmetic number, because the mean of its divisors is an integer number (38449997451).

Almost surely, 2^76899994901 is an apocalyptic number.

It is an amenable number.

76899994901 is a deficient number, since it is larger than the sum of its proper divisors (1).

76899994901 is an equidigital number, since it uses as much as digits as its factorization.

76899994901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79361856, while the sum is 71.

The spelling of 76899994901 in words is "seventy-six billion, eight hundred ninety-nine million, nine hundred ninety-four thousand, nine hundred one".