88189559 has 2 divisors, whose sum is σ = 88189560. Its totient is φ = 88189558.

The previous prime is 88189553. The next prime is 88189573. The reversal of 88189559 is 95598188.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88189559 - 2²⁰ = 87140983 is a prime.

It is a super-2 number, since 2×88189559² = 15554796633228962, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88189559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88189553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44094779 + 44094780.

It is an arithmetic number, because the mean of its divisors is an integer number (44094780).

Almost surely, 2^88189559 is an apocalyptic number.

88189559 is a deficient number, since it is larger than the sum of its proper divisors (1).

88189559 is an equidigital number, since it uses as much as digits as its factorization.

88189559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 53.

The square root of 88189559 is about 9390.9296131959. The cubic root of 88189559 is about 445.1151644028.

The spelling of 88189559 in words is "eighty-eight million, one hundred eighty-nine thousand, five hundred fifty-nine".