76973313089 has 2 divisors, whose sum is σ = 76973313090. Its totient is φ = 76973313088.

The previous prime is 76973313083. The next prime is 76973313091. The reversal of 76973313089 is 98031337967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76969069489 + 4243600 = 277433^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 76973313089 - 2²⁰ = 76972264513 is a prime.

Together with 76973313091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76973313083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38486656544 + 38486656545.

It is an arithmetic number, because the mean of its divisors is an integer number (38486656545).

Almost surely, 2^76973313089 is an apocalyptic number.

It is an amenable number.

76973313089 is a deficient number, since it is larger than the sum of its proper divisors (1).

76973313089 is an equidigital number, since it uses as much as digits as its factorization.

76973313089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5143824, while the sum is 56.

The spelling of 76973313089 in words is "seventy-six billion, nine hundred seventy-three million, three hundred thirteen thousand, eighty-nine".