87903825 has 48 divisors (see below), whose sum is σ = 150782016. Its totient is φ = 45158400.

The previous prime is 87903811. The next prime is 87903833. The reversal of 87903825 is 52830978.

It is not a de Polignac number, because 87903825 - 2⁹ = 87903313 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 312685 + ... + 312965.

It is an arithmetic number, because the mean of its divisors is an integer number (3141292).

Almost surely, 2^87903825 is an apocalyptic number.

It is an amenable number.

87903825 is a deficient number, since it is larger than the sum of its proper divisors (62878191).

87903825 is a wasteful number, since it uses less digits than its factorization.

87903825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 87903825 is about 9375.7039735691. The cubic root of 87903825 is about 444.6339201949.

The spelling of 87903825 in words is "eighty-seven million, nine hundred three thousand, eight hundred twenty-five".