887170090 has 32 divisors (see below), whose sum is σ = 1692993024. Its totient is φ = 334134720.

The previous prime is 887170061. The next prime is 887170091. The reversal of 887170090 is 90071788.

It is not an unprimeable number, because it can be changed into a prime (887170091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27204 + ... + 50143.

It is an arithmetic number, because the mean of its divisors is an integer number (52906032).

Almost surely, 2^887170090 is an apocalyptic number.

887170090 is a deficient number, since it is larger than the sum of its proper divisors (805822934).

887170090 is a wasteful number, since it uses less digits than its factorization.

887170090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77422.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 887170090 is about 29785.4006184238. The cubic root of 887170090 is about 960.8795794194.

It can be divided in two parts, 8871 and 70090, that added together give a square (78961 = 281²).

The spelling of 887170090 in words is "eight hundred eighty-seven million, one hundred seventy thousand, ninety".