87018800 has 60 divisors (see below), whose sum is σ = 228079896. Its totient is φ = 31641600.

The previous prime is 87018793. The next prime is 87018823. The reversal of 87018800 is 881078.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5489 + ... + 14288.

Almost surely, 2^87018800 is an apocalyptic number.

87018800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87018800 is an abundant number, since it is smaller than the sum of its proper divisors (141061096).

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

87018800 is a wasteful number, since it uses less digits than its factorization.

87018800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19806 (or 19795 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 87018800 is about 9328.3867844338. The cubic root of 87018800 is about 443.1366769953.

Adding to 87018800 its reverse (881078), we get a palindrome (87899878).

The spelling of 87018800 in words is "eighty-seven million, eighteen thousand, eight hundred".