79748663 has 2 divisors, whose sum is σ = 79748664. Its totient is φ = 79748662.

The previous prime is 79748611. The next prime is 79748671. The reversal of 79748663 is 36684797.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79748663 - 2¹⁰ = 79747639 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79748363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39874331 + 39874332.

It is an arithmetic number, because the mean of its divisors is an integer number (39874332).

Almost surely, 2^79748663 is an apocalyptic number.

79748663 is a deficient number, since it is larger than the sum of its proper divisors (1).

79748663 is an equidigital number, since it uses as much as digits as its factorization.

79748663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The square root of 79748663 is about 8930.2106918034. The cubic root of 79748663 is about 430.4352236637.

The spelling of 79748663 in words is "seventy-nine million, seven hundred forty-eight thousand, six hundred sixty-three".