76313704921 has 2 divisors, whose sum is σ = 76313704922. Its totient is φ = 76313704920.

The previous prime is 76313704867. The next prime is 76313705003. The reversal of 76313704921 is 12940731367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50777664921 + 25536040000 = 225339^2 + 159800^2 .

It is an emirp because it is prime and its reverse (12940731367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76313704921 - 2⁹ = 76313704409 is a prime.

It is a super-3 number, since 3×76313704921³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (76313734921) 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, 38156852460 + 38156852461.

It is an arithmetic number, because the mean of its divisors is an integer number (38156852461).

Almost surely, 2^76313704921 is an apocalyptic number.

It is an amenable number.

76313704921 is a deficient number, since it is larger than the sum of its proper divisors (1).

76313704921 is an equidigital number, since it uses as much as digits as its factorization.

76313704921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 76313704921 in words is "seventy-six billion, three hundred thirteen million, seven hundred four thousand, nine hundred twenty-one".