79701623 has 2 divisors, whose sum is σ = 79701624. Its totient is φ = 79701622.

The previous prime is 79701577. The next prime is 79701631. The reversal of 79701623 is 32610797.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79701623 - 2²⁶ = 12592759 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79701673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39850811 + 39850812.

It is an arithmetic number, because the mean of its divisors is an integer number (39850812).

Almost surely, 2^79701623 is an apocalyptic number.

79701623 is a deficient number, since it is larger than the sum of its proper divisors (1).

79701623 is an equidigital number, since it uses as much as digits as its factorization.

79701623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 79701623 is about 8927.5765468575. The cubic root of 79701623 is about 430.3505758275.

The spelling of 79701623 in words is "seventy-nine million, seven hundred one thousand, six hundred twenty-three".