76868459 has 4 divisors (see below), whose sum is σ = 76886040. Its totient is φ = 76850880.

The previous prime is 76868447. The next prime is 76868503. The reversal of 76868459 is 95486867.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76868459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76868459.

It is not an unprimeable number, because it can be changed into a prime (76868159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3452 + ... + 12870.

It is an arithmetic number, because the mean of its divisors is an integer number (19221510).

Almost surely, 2^76868459 is an apocalyptic number.

76868459 is a deficient number, since it is larger than the sum of its proper divisors (17581).

76868459 is an equidigital number, since it uses as much as digits as its factorization.

76868459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17580.

The product of its digits is 2903040, while the sum is 53.

The square root of 76868459 is about 8767.4659394833. The cubic root of 76868459 is about 425.1896897179.

The spelling of 76868459 in words is "seventy-six million, eight hundred sixty-eight thousand, four hundred fifty-nine".