76922309 has 2 divisors, whose sum is σ = 76922310. Its totient is φ = 76922308.

The previous prime is 76922299. The next prime is 76922311. The reversal of 76922309 is 90322967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76912900 + 9409 = 8770^2 + 97^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76922309 is a prime.

Together with 76922311, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76927309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38461154 + 38461155.

It is an arithmetic number, because the mean of its divisors is an integer number (38461155).

Almost surely, 2^76922309 is an apocalyptic number.

It is an amenable number.

76922309 is a deficient number, since it is larger than the sum of its proper divisors (1).

76922309 is an equidigital number, since it uses as much as digits as its factorization.

76922309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 76922309 is about 8770.5364146100. The cubic root of 76922309 is about 425.2889550537.

It can be divided in two parts, 7692 and 2309, that added together give a palindrome (10001).

The spelling of 76922309 in words is "seventy-six million, nine hundred twenty-two thousand, three hundred nine".