76000091 has 2 divisors, whose sum is σ = 76000092. Its totient is φ = 76000090.

The previous prime is 76000087. The next prime is 76000117. The reversal of 76000091 is 19000067.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76000091 - 2² = 76000087 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

76000091 is a modest number, since divided by 91 gives 76 as remainder.

It is not a weakly prime, because it can be changed into another prime (76000021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38000045 + 38000046.

It is an arithmetic number, because the mean of its divisors is an integer number (38000046).

Almost surely, 2^76000091 is an apocalyptic number.

76000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

76000091 is an equidigital number, since it uses as much as digits as its factorization.

76000091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 76000091 is about 8717.8031062877. The cubic root of 76000091 is about 423.5825274868.

The spelling of 76000091 in words is "seventy-six million, ninety-one", and thus it is an aban number and an uban number.