76865699 has 2 divisors, whose sum is σ = 76865700. Its totient is φ = 76865698.

The previous prime is 76865681. The next prime is 76865713. The reversal of 76865699 is 99656867.

It is a strong prime.

It is an emirp because it is prime and its reverse (99656867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76865699 - 2²⁰ = 75817123 is a prime.

It is not a weakly prime, because it can be changed into another prime (76865629) 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, 38432849 + 38432850.

It is an arithmetic number, because the mean of its divisors is an integer number (38432850).

Almost surely, 2^76865699 is an apocalyptic number.

76865699 is a deficient number, since it is larger than the sum of its proper divisors (1).

76865699 is an equidigital number, since it uses as much as digits as its factorization.

76865699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 56.

The square root of 76865699 is about 8767.3085379722. The cubic root of 76865699 is about 425.1846007750.

The spelling of 76865699 in words is "seventy-six million, eight hundred sixty-five thousand, six hundred ninety-nine".