88288813 has 2 divisors, whose sum is σ = 88288814. Its totient is φ = 88288812.

The previous prime is 88288807. The next prime is 88288817. The reversal of 88288813 is 31888288.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66879684 + 21409129 = 8178^2 + 4627^2 .

It is a cyclic number.

It is not a de Polignac number, because 88288813 - 2²¹ = 86191661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88288817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44144406 + 44144407.

It is an arithmetic number, because the mean of its divisors is an integer number (44144407).

Almost surely, 2^88288813 is an apocalyptic number.

It is an amenable number.

88288813 is a deficient number, since it is larger than the sum of its proper divisors (1).

88288813 is an equidigital number, since it uses as much as digits as its factorization.

88288813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196608, while the sum is 46.

The square root of 88288813 is about 9396.2126944849. The cubic root of 88288813 is about 445.2820885349.

The spelling of 88288813 in words is "eighty-eight million, two hundred eighty-eight thousand, eight hundred thirteen".