76868626501 has 2 divisors, whose sum is σ = 76868626502. Its totient is φ = 76868626500.

The previous prime is 76868626489. The next prime is 76868626507. The reversal of 76868626501 is 10562686867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44436218401 + 32432408100 = 210799^2 + 180090^2 .

It is a cyclic number.

It is not a de Polignac number, because 76868626501 - 2¹¹ = 76868624453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76868626507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38434313250 + 38434313251.

It is an arithmetic number, because the mean of its divisors is an integer number (38434313251).

Almost surely, 2^76868626501 is an apocalyptic number.

It is an amenable number.

76868626501 is a deficient number, since it is larger than the sum of its proper divisors (1).

76868626501 is an equidigital number, since it uses as much as digits as its factorization.

76868626501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 76868626501 in words is "seventy-six billion, eight hundred sixty-eight million, six hundred twenty-six thousand, five hundred one".