7609472779 has 2 divisors, whose sum is σ = 7609472780. Its totient is φ = 7609472778.

The previous prime is 7609472749. The next prime is 7609472791. The reversal of 7609472779 is 9772749067.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7609472779 - 2⁵ = 7609472747 is a prime.

It is not a weakly prime, because it can be changed into another prime (7609472729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3804736389 + 3804736390.

It is an arithmetic number, because the mean of its divisors is an integer number (3804736390).

Almost surely, 2^7609472779 is an apocalyptic number.

7609472779 is a deficient number, since it is larger than the sum of its proper divisors (1).

7609472779 is an equidigital number, since it uses as much as digits as its factorization.

7609472779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9335088, while the sum is 58.

The square root of 7609472779 is about 87232.2920654960. The cubic root of 7609472779 is about 1966.9116648178.

The spelling of 7609472779 in words is "seven billion, six hundred nine million, four hundred seventy-two thousand, seven hundred seventy-nine".