87099200 has 42 divisors (see below), whose sum is σ = 214322406. Its totient is φ = 34839040.

The previous prime is 87099161. The next prime is 87099239. The reversal of 87099200 is 299078.

It is an interprime number because it is at equal distance from previous prime (87099161) and next prime (87099239).

It can be written as a sum of positive squares in 3 ways, for example, as 87616 + 87011584 = 296^2 + 9328^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25619 + ... + 28818.

Almost surely, 2^87099200 is an apocalyptic number.

87099200 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87099200 is an abundant number, since it is smaller than the sum of its proper divisors (127223206).

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

87099200 is a wasteful number, since it uses less digits than its factorization.

87099200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54459 (or 54444 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 87099200 is about 9332.6952162813. The cubic root of 87099200 is about 443.2731119638.

The spelling of 87099200 in words is "eighty-seven million, ninety-nine thousand, two hundred".