79547113 has 2 divisors, whose sum is σ = 79547114. Its totient is φ = 79547112.

The previous prime is 79547101. The next prime is 79547137. The reversal of 79547113 is 31174597.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50083929 + 29463184 = 7077^2 + 5428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79547113 is a prime.

It is not a weakly prime, because it can be changed into another prime (79547183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39773556 + 39773557.

It is an arithmetic number, because the mean of its divisors is an integer number (39773557).

Almost surely, 2^79547113 is an apocalyptic number.

It is an amenable number.

79547113 is a deficient number, since it is larger than the sum of its proper divisors (1).

79547113 is an equidigital number, since it uses as much as digits as its factorization.

79547113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 37.

The square root of 79547113 is about 8918.9188246110. The cubic root of 79547113 is about 430.0723026067.

The spelling of 79547113 in words is "seventy-nine million, five hundred forty-seven thousand, one hundred thirteen".