76894297 has 2 divisors, whose sum is σ = 76894298. Its totient is φ = 76894296.

The previous prime is 76894261. The next prime is 76894319. The reversal of 76894297 is 79249867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76370121 + 524176 = 8739^2 + 724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76894297 is a prime.

It is a super-2 number, since 2×76894297² = 11825465822248418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76894217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38447148 + 38447149.

It is an arithmetic number, because the mean of its divisors is an integer number (38447149).

Almost surely, 2^76894297 is an apocalyptic number.

It is an amenable number.

76894297 is a deficient number, since it is larger than the sum of its proper divisors (1).

76894297 is an equidigital number, since it uses as much as digits as its factorization.

76894297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 52.

The square root of 76894297 is about 8768.9393315269. The cubic root of 76894297 is about 425.2373244290.

The spelling of 76894297 in words is "seventy-six million, eight hundred ninety-four thousand, two hundred ninety-seven".