880001000 has 32 divisors (see below), whose sum is σ = 2059204680. Its totient is φ = 352000000.

The previous prime is 880000993. The next prime is 880001011. The reversal of 880001000 is 100088.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 526335364 + 353665636 = 22942^2 + 18806^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 880001000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439001 + ... + 441000.

Almost surely, 2^880001000 is an apocalyptic number.

It is an amenable number.

880001000 is an abundant number, since it is smaller than the sum of its proper divisors (1179203680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

880001000 is a wasteful number, since it uses less digits than its factorization.

880001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880022 (or 880008 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 880001000 is about 29664.8108033744. The cubic root of 880001000 is about 958.2843343988.

Adding to 880001000 its reverse (100088), we get a palindrome (880101088).

The spelling of 880001000 in words is "eight hundred eighty million, one thousand".