87193288 has 32 divisors (see below), whose sum is σ = 201216960. Its totient is φ = 34493760.

The previous prime is 87193283. The next prime is 87193291. The reversal of 87193288 is 88239178.

It is not an unprimeable number, because it can be changed into a prime (87193283) 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 7 ways as a sum of consecutive naturals, for example, 59158 + ... + 60613.

It is an arithmetic number, because the mean of its divisors is an integer number (6288030).

Almost surely, 2^87193288 is an apocalyptic number.

It is an amenable number.

87193288 is an abundant number, since it is smaller than the sum of its proper divisors (114023672).

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

87193288 is a wasteful number, since it uses less digits than its factorization.

87193288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119797 (or 119793 counting only the distinct ones).

The product of its digits is 193536, while the sum is 46.

The square root of 87193288 is about 9337.7346289129. The cubic root of 87193288 is about 443.4326682392.

The spelling of 87193288 in words is "eighty-seven million, one hundred ninety-three thousand, two hundred eighty-eight".