88195559 has 4 divisors (see below), whose sum is σ = 88255440. Its totient is φ = 88135680.

The previous prime is 88195553. The next prime is 88195571. The reversal of 88195559 is 95559188.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88195559 - 2⁴ = 88195543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88195553) 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 in 3 ways as a sum of consecutive naturals, for example, 27674 + ... + 30695.

It is an arithmetic number, because the mean of its divisors is an integer number (22063860).

Almost surely, 2^88195559 is an apocalyptic number.

88195559 is a deficient number, since it is larger than the sum of its proper divisors (59881).

88195559 is a wasteful number, since it uses less digits than its factorization.

88195559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59880.

The product of its digits is 648000, while the sum is 50.

The square root of 88195559 is about 9391.2490649540. The cubic root of 88195559 is about 445.1252586832.

The spelling of 88195559 in words is "eighty-eight million, one hundred ninety-five thousand, five hundred fifty-nine".