79411489 has 2 divisors, whose sum is σ = 79411490. Its totient is φ = 79411488.

The previous prime is 79411459. The next prime is 79411499. The reversal of 79411489 is 98411497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45968400 + 33443089 = 6780^2 + 5783^2 .

It is an emirp because it is prime and its reverse (98411497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79411489 - 2⁹ = 79410977 is a prime.

It is not a weakly prime, because it can be changed into another prime (79411459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39705744 + 39705745.

It is an arithmetic number, because the mean of its divisors is an integer number (39705745).

Almost surely, 2^79411489 is an apocalyptic number.

It is an amenable number.

79411489 is a deficient number, since it is larger than the sum of its proper divisors (1).

79411489 is an equidigital number, since it uses as much as digits as its factorization.

79411489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 43.

The square root of 79411489 is about 8911.3124173715. The cubic root of 79411489 is about 429.8277460411.

The spelling of 79411489 in words is "seventy-nine million, four hundred eleven thousand, four hundred eighty-nine".