87448825 has 12 divisors (see below), whose sum is σ = 108556668. Its totient is φ = 69881600.

The previous prime is 87448789. The next prime is 87448873. The reversal of 87448825 is 52884478.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3341584 + 84107241 = 1828^2 + 9171^2 .

It is a de Polignac number, because none of the positive numbers 2^k-87448825 is a prime.

It is a Duffinian number.

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, 34605 + ... + 37045.

It is an arithmetic number, because the mean of its divisors is an integer number (9046389).

Almost surely, 2^87448825 is an apocalyptic number.

It is an amenable number.

87448825 is a deficient number, since it is larger than the sum of its proper divisors (21107843).

87448825 is a wasteful number, since it uses less digits than its factorization.

87448825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884 (or 3879 counting only the distinct ones).

The product of its digits is 573440, while the sum is 46.

The square root of 87448825 is about 9351.4076480496. The cubic root of 87448825 is about 443.8654344932.

The spelling of 87448825 in words is "eighty-seven million, four hundred forty-eight thousand, eight hundred twenty-five".