79503089 has 2 divisors, whose sum is σ = 79503090. Its totient is φ = 79503088.

The previous prime is 79503079. The next prime is 79503091. The reversal of 79503089 is 98030597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42354064 + 37149025 = 6508^2 + 6095^2 .

It is a cyclic number.

It is not a de Polignac number, because 79503089 - 2²⁰ = 78454513 is a prime.

Together with 79503091, 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 (79503079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39751544 + 39751545.

It is an arithmetic number, because the mean of its divisors is an integer number (39751545).

Almost surely, 2^79503089 is an apocalyptic number.

It is an amenable number.

79503089 is a deficient number, since it is larger than the sum of its proper divisors (1).

79503089 is an equidigital number, since it uses as much as digits as its factorization.

79503089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 79503089 is about 8916.4504708993. The cubic root of 79503089 is about 429.9929492264.

The spelling of 79503089 in words is "seventy-nine million, five hundred three thousand, eighty-nine".