76912919 has 2 divisors, whose sum is σ = 76912920. Its totient is φ = 76912918.

The previous prime is 76912889. The next prime is 76912921. The reversal of 76912919 is 91921967.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76912919 - 2⁸ = 76912663 is a prime.

It is a super-2 number, since 2×76912919² = 11831194218201122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 76912921, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76912919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76972919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38456459 + 38456460.

It is an arithmetic number, because the mean of its divisors is an integer number (38456460).

Almost surely, 2^76912919 is an apocalyptic number.

76912919 is a deficient number, since it is larger than the sum of its proper divisors (1).

76912919 is an equidigital number, since it uses as much as digits as its factorization.

76912919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 44.

The square root of 76912919 is about 8770.0010832382. The cubic root of 76912919 is about 425.2716491692.

The spelling of 76912919 in words is "seventy-six million, nine hundred twelve thousand, nine hundred nineteen".