76690879 has 2 divisors, whose sum is σ = 76690880. Its totient is φ = 76690878.

The previous prime is 76690871. The next prime is 76690891. The reversal of 76690879 is 97809667.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76690879 - 2³ = 76690871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76690871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38345439 + 38345440.

It is an arithmetic number, because the mean of its divisors is an integer number (38345440).

Almost surely, 2^76690879 is an apocalyptic number.

76690879 is a deficient number, since it is larger than the sum of its proper divisors (1).

76690879 is an equidigital number, since it uses as much as digits as its factorization.

76690879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 76690879 is about 8757.3328702294. The cubic root of 76690879 is about 424.8620156439.

The spelling of 76690879 in words is "seventy-six million, six hundred ninety thousand, eight hundred seventy-nine".