88187994 has 64 divisors (see below), whose sum is σ = 204288000. Its totient is φ = 28168560.

The previous prime is 88187989. The next prime is 88188029. The reversal of 88187994 is 49978188.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 88187994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232497 + ... + 232875.

It is an arithmetic number, because the mean of its divisors is an integer number (3192000).

Almost surely, 2^88187994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88187994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102144000).

88187994 is an abundant number, since it is smaller than the sum of its proper divisors (116100006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88187994 is a wasteful number, since it uses less digits than its factorization.

88187994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 554 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The square root of 88187994 is about 9390.8462877421. The cubic root of 88187994 is about 445.1125314027.

The spelling of 88187994 in words is "eighty-eight million, one hundred eighty-seven thousand, nine hundred ninety-four".