76872127613 has 2 divisors, whose sum is σ = 76872127614. Its totient is φ = 76872127612.

The previous prime is 76872127573. The next prime is 76872127669. The reversal of 76872127613 is 31672127867.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42527513284 + 34344614329 = 206222^2 + 185323^2 .

It is a cyclic number.

It is not a de Polignac number, because 76872127613 - 2⁸ = 76872127357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76872127693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38436063806 + 38436063807.

It is an arithmetic number, because the mean of its divisors is an integer number (38436063807).

Almost surely, 2^76872127613 is an apocalyptic number.

It is an amenable number.

76872127613 is a deficient number, since it is larger than the sum of its proper divisors (1).

76872127613 is an equidigital number, since it uses as much as digits as its factorization.

76872127613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 50.

The spelling of 76872127613 in words is "seventy-six billion, eight hundred seventy-two million, one hundred twenty-seven thousand, six hundred thirteen".