79614869 has 2 divisors, whose sum is σ = 79614870. Its totient is φ = 79614868.

The previous prime is 79614853. The next prime is 79614881. The reversal of 79614869 is 96841697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79299025 + 315844 = 8905^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 79614869 - 2⁴ = 79614853 is a prime.

It is a super-2 number, since 2×79614869² = 12677054731774322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79614809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39807434 + 39807435.

It is an arithmetic number, because the mean of its divisors is an integer number (39807435).

Almost surely, 2^79614869 is an apocalyptic number.

It is an amenable number.

79614869 is a deficient number, since it is larger than the sum of its proper divisors (1).

79614869 is an equidigital number, since it uses as much as digits as its factorization.

79614869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 79614869 is about 8922.7164585680. The cubic root of 79614869 is about 430.1943757958.

The spelling of 79614869 in words is "seventy-nine million, six hundred fourteen thousand, eight hundred sixty-nine".