87102452 has 12 divisors (see below), whose sum is σ = 152496036. Its totient is φ = 43532160.

The previous prime is 87102451. The next prime is 87102497. The reversal of 87102452 is 25420178.

It can be written as a sum of positive squares in 2 ways, for example, as 28793956 + 58308496 = 5366^2 + 7636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87102451) 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, 12302 + ... + 18042.

It is an arithmetic number, because the mean of its divisors is an integer number (12708003).

Almost surely, 2^87102452 is an apocalyptic number.

It is an amenable number.

87102452 is a deficient number, since it is larger than the sum of its proper divisors (65393584).

87102452 is a wasteful number, since it uses less digits than its factorization.

87102452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9538 (or 9536 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 87102452 is about 9332.8694408526. The cubic root of 87102452 is about 443.2786286858.

The spelling of 87102452 in words is "eighty-seven million, one hundred two thousand, four hundred fifty-two".