887179985 has 16 divisors (see below), whose sum is σ = 1091252736. Its totient is φ = 692148288.

The previous prime is 887179961. The next prime is 887180011. The reversal of 887179985 is 589971788.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 887179985 - 2⁶ = 887179921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34232 + ... + 54278.

It is an arithmetic number, because the mean of its divisors is an integer number (68203296).

Almost surely, 2^887179985 is an apocalyptic number.

It is an amenable number.

887179985 is a deficient number, since it is larger than the sum of its proper divisors (204072751).

887179985 is a wasteful number, since it uses less digits than its factorization.

887179985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20272.

The product of its digits is 10160640, while the sum is 62.

The square root of 887179985 is about 29785.5667228273. The cubic root of 887179985 is about 960.8831517776.

The spelling of 887179985 in words is "eight hundred eighty-seven million, one hundred seventy-nine thousand, nine hundred eighty-five".