76986271291 has 2 divisors, whose sum is σ = 76986271292. Its totient is φ = 76986271290.

The previous prime is 76986271289. The next prime is 76986271343. The reversal of 76986271291 is 19217268967.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76986271291 - 2¹ = 76986271289 is a prime.

Together with 76986271289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (76981271291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38493135645 + 38493135646.

It is an arithmetic number, because the mean of its divisors is an integer number (38493135646).

Almost surely, 2^76986271291 is an apocalyptic number.

76986271291 is a deficient number, since it is larger than the sum of its proper divisors (1).

76986271291 is an equidigital number, since it uses as much as digits as its factorization.

76986271291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 58.

The spelling of 76986271291 in words is "seventy-six billion, nine hundred eighty-six million, two hundred seventy-one thousand, two hundred ninety-one".