88005109 has 2 divisors, whose sum is σ = 88005110. Its totient is φ = 88005108.

The previous prime is 88005097. The next prime is 88005119. The reversal of 88005109 is 90150088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54908100 + 33097009 = 7410^2 + 5753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88005109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88005119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44002554 + 44002555.

It is an arithmetic number, because the mean of its divisors is an integer number (44002555).

Almost surely, 2^88005109 is an apocalyptic number.

It is an amenable number.

88005109 is a deficient number, since it is larger than the sum of its proper divisors (1).

88005109 is an equidigital number, since it uses as much as digits as its factorization.

88005109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 88005109 is about 9381.1038263096. The cubic root of 88005109 is about 444.8046257611.

The spelling of 88005109 in words is "eighty-eight million, five thousand, one hundred nine".