87099130 has 8 divisors (see below), whose sum is σ = 156778452. Its totient is φ = 34839648.

The previous prime is 87099079. The next prime is 87099139. The reversal of 87099130 is 3199078.

It can be written as a sum of positive squares in 2 ways, for example, as 86881041 + 218089 = 9321^2 + 467^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 87099130.

It is not an unprimeable number, because it can be changed into a prime (87099139) 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 3 ways as a sum of consecutive naturals, for example, 4354947 + ... + 4354966.

Almost surely, 2^87099130 is an apocalyptic number.

87099130 is a deficient number, since it is larger than the sum of its proper divisors (69679322).

87099130 is a wasteful number, since it uses less digits than its factorization.

87099130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8709920.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 87099130 is about 9332.6914660242. The cubic root of 87099130 is about 443.2729932136.

It can be divided in two parts, 870 and 99130, that added together give a 5-th power (100000 = 10⁵).

The spelling of 87099130 in words is "eighty-seven million, ninety-nine thousand, one hundred thirty".