88195117087 has 32 divisors (see below), whose sum is σ = 115428556800. Its totient is φ = 65379247200.

The previous prime is 88195117079. The next prime is 88195117093. The reversal of 88195117087 is 78071159188.

It is a cyclic number.

It is not a de Polignac number, because 88195117087 - 2³ = 88195117079 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88195117487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172287 + ... + 453952.

It is an arithmetic number, because the mean of its divisors is an integer number (3607142400).

Almost surely, 2^88195117087 is an apocalyptic number.

88195117087 is a deficient number, since it is larger than the sum of its proper divisors (27233439713).

88195117087 is a wasteful number, since it uses less digits than its factorization.

88195117087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626347.

The product of its (nonzero) digits is 1128960, while the sum is 55.

The spelling of 88195117087 in words is "eighty-eight billion, one hundred ninety-five million, one hundred seventeen thousand, eighty-seven".