87100244800 has 42 divisors (see below), whose sum is σ = 214321043798. Its totient is φ = 34840097280.

The previous prime is 87100244767. The next prime is 87100244843. The reversal of 87100244800 is 844200178.

It can be written as a sum of positive squares in 3 ways, for example, as 65804544 + 87034440256 = 8112^2 + 295016^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 27217227 + ... + 27220426.

Almost surely, 2^87100244800 is an apocalyptic number.

87100244800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87100244800 is an abundant number, since it is smaller than the sum of its proper divisors (127220798998).

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

87100244800 is a wasteful number, since it uses less digits than its factorization.

87100244800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54437675 (or 54437660 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

Adding to 87100244800 its reverse (844200178), we get a palindrome (87944444978).

The spelling of 87100244800 in words is "eighty-seven billion, one hundred million, two hundred forty-four thousand, eight hundred".