1000088885 has 4 divisors (see below), whose sum is σ = 1200106668. Its totient is φ = 800071104.

The previous prime is 1000088863. The next prime is 1000088909. The reversal of 1000088885 is 5888800001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 254689681 + 745399204 = 15959^2 + 27302^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000088885 - 2¹⁸ = 999826741 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100008884 + ... + 100008893.

It is an arithmetic number, because the mean of its divisors is an integer number (300026667).

Almost surely, 2^1000088885 is an apocalyptic number.

It is an amenable number.

1000088885 is a deficient number, since it is larger than the sum of its proper divisors (200017783).

1000088885 is an equidigital number, since it uses as much as digits as its factorization.

1000088885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200017782.

The product of its (nonzero) digits is 20480, while the sum is 38.

The square root of 1000088885 is about 31624.1819657047. The cubic root of 1000088885 is about 1000.0296274555.

Adding to 1000088885 its reverse (5888800001), we get a palindrome (6888888886).

The spelling of 1000088885 in words is "one billion, eighty-eight thousand, eight hundred eighty-five".