8690000779 has 2 divisors, whose sum is σ = 8690000780. Its totient is φ = 8690000778.

The previous prime is 8690000773. The next prime is 8690000807. The reversal of 8690000779 is 9770000968.

8690000779 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8690000779 - 2⁷ = 8690000651 is a prime.

It is a super-2 number, since 2×8690000779² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8690000773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4345000389 + 4345000390.

It is an arithmetic number, because the mean of its divisors is an integer number (4345000390).

Almost surely, 2^8690000779 is an apocalyptic number.

8690000779 is a deficient number, since it is larger than the sum of its proper divisors (1).

8690000779 is an equidigital number, since it uses as much as digits as its factorization.

8690000779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 8690000779 is about 93220.1736696516. The cubic root of 8690000779 is about 2055.9218639873.

The spelling of 8690000779 in words is "eight billion, six hundred ninety million, seven hundred seventy-nine", and thus it is an aban number.