79745903 has 2 divisors, whose sum is σ = 79745904. Its totient is φ = 79745902.

The previous prime is 79745893. The next prime is 79745947. The reversal of 79745903 is 30954797.

It is a happy number.

It is an a-pointer prime, because the next prime (79745947) can be obtained adding 79745903 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79745903 - 2⁸ = 79745647 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 (79745203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39872951 + 39872952.

It is an arithmetic number, because the mean of its divisors is an integer number (39872952).

Almost surely, 2^79745903 is an apocalyptic number.

79745903 is a deficient number, since it is larger than the sum of its proper divisors (1).

79745903 is an equidigital number, since it uses as much as digits as its factorization.

79745903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 79745903 is about 8930.0561588380. The cubic root of 79745903 is about 430.4302580008.

The spelling of 79745903 in words is "seventy-nine million, seven hundred forty-five thousand, nine hundred three".