886609990 has 64 divisors (see below), whose sum is σ = 1875415680. Its totient is φ = 295511040.

The previous prime is 886609981. The next prime is 886610071. The reversal of 886609990 is 99906688.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378864 + ... + 381196.

It is an arithmetic number, because the mean of its divisors is an integer number (29303370).

Almost surely, 2^886609990 is an apocalyptic number.

886609990 is an abundant number, since it is smaller than the sum of its proper divisors (988805690).

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

886609990 is a wasteful number, since it uses less digits than its factorization.

886609990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 886609990 is about 29775.9968766790. The cubic root of 886609990 is about 960.6773250990.

The spelling of 886609990 in words is "eight hundred eighty-six million, six hundred nine thousand, nine hundred ninety".