88369109 has 2 divisors, whose sum is σ = 88369110. Its totient is φ = 88369108.

The previous prime is 88369097. The next prime is 88369117. The reversal of 88369109 is 90196388.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 37246609 = 7150^2 + 6103^2 .

It is a cyclic number.

It is not a de Polignac number, because 88369109 - 2²⁰ = 87320533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88369109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88369129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44184554 + 44184555.

It is an arithmetic number, because the mean of its divisors is an integer number (44184555).

Almost surely, 2^88369109 is an apocalyptic number.

It is an amenable number.

88369109 is a deficient number, since it is larger than the sum of its proper divisors (1).

88369109 is an equidigital number, since it uses as much as digits as its factorization.

88369109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 88369109 is about 9400.4845087900. The cubic root of 88369109 is about 445.4170378211.

The spelling of 88369109 in words is "eighty-eight million, three hundred sixty-nine thousand, one hundred nine".