76486826657 has 2 divisors, whose sum is σ = 76486826658. Its totient is φ = 76486826656.

The previous prime is 76486826629. The next prime is 76486826701. The reversal of 76486826657 is 75662868467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74240445841 + 2246380816 = 272471^2 + 47396^2 .

It is a cyclic number.

It is not a de Polignac number, because 76486826657 - 2⁸ = 76486826401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76486826593 and 76486826602.

It is not a weakly prime, because it can be changed into another prime (76486826617) 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, 38243413328 + 38243413329.

It is an arithmetic number, because the mean of its divisors is an integer number (38243413329).

Almost surely, 2^76486826657 is an apocalyptic number.

It is an amenable number.

76486826657 is a deficient number, since it is larger than the sum of its proper divisors (1).

76486826657 is an equidigital number, since it uses as much as digits as its factorization.

76486826657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162570240, while the sum is 65.

The spelling of 76486826657 in words is "seventy-six billion, four hundred eighty-six million, eight hundred twenty-six thousand, six hundred fifty-seven".