88345613 has 2 divisors, whose sum is σ = 88345614. Its totient is φ = 88345612.

The previous prime is 88345591. The next prime is 88345637. The reversal of 88345613 is 31654388.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78623689 + 9721924 = 8867^2 + 3118^2 .

It is a cyclic number.

It is not a de Polignac number, because 88345613 - 2⁸ = 88345357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88345643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44172806 + 44172807.

It is an arithmetic number, because the mean of its divisors is an integer number (44172807).

Almost surely, 2^88345613 is an apocalyptic number.

It is an amenable number.

88345613 is a deficient number, since it is larger than the sum of its proper divisors (1).

88345613 is an equidigital number, since it uses as much as digits as its factorization.

88345613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 88345613 is about 9399.2347028894. The cubic root of 88345613 is about 445.3775577866.

The spelling of 88345613 in words is "eighty-eight million, three hundred forty-five thousand, six hundred thirteen".