76890659 has 2 divisors, whose sum is σ = 76890660. Its totient is φ = 76890658.

The previous prime is 76890647. The next prime is 76890661. The reversal of 76890659 is 95609867.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76890659 is a prime.

Together with 76890661, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76890259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38445329 + 38445330.

It is an arithmetic number, because the mean of its divisors is an integer number (38445330).

Almost surely, 2^76890659 is an apocalyptic number.

76890659 is a deficient number, since it is larger than the sum of its proper divisors (1).

76890659 is an equidigital number, since it uses as much as digits as its factorization.

76890659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 76890659 is about 8768.7318923548. The cubic root of 76890659 is about 425.2306180895.

The spelling of 76890659 in words is "seventy-six million, eight hundred ninety thousand, six hundred fifty-nine".