76865656801 has 2 divisors, whose sum is σ = 76865656802. Its totient is φ = 76865656800.

The previous prime is 76865656793. The next prime is 76865656841. The reversal of 76865656801 is 10865656867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50920179025 + 25945477776 = 225655^2 + 161076^2 .

It is a cyclic number.

It is not a de Polignac number, because 76865656801 - 2³ = 76865656793 is a prime.

It is not a weakly prime, because it can be changed into another prime (76865656841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38432828400 + 38432828401.

It is an arithmetic number, because the mean of its divisors is an integer number (38432828401).

Almost surely, 2^76865656801 is an apocalyptic number.

It is an amenable number.

76865656801 is a deficient number, since it is larger than the sum of its proper divisors (1).

76865656801 is an equidigital number, since it uses as much as digits as its factorization.

76865656801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 76865656801 in words is "seventy-six billion, eight hundred sixty-five million, six hundred fifty-six thousand, eight hundred one".