988666822 has 32 divisors (see below), whose sum is σ = 1818028800. Its totient is φ = 396786720.

The previous prime is 988666817. The next prime is 988666831. The reversal of 988666822 is 228666889.

It is a congruent 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, 68572 + ... + 81727.

It is an arithmetic number, because the mean of its divisors is an integer number (56813400).

Almost surely, 2^988666822 is an apocalyptic number.

988666822 is a deficient number, since it is larger than the sum of its proper divisors (829361978).

988666822 is a wasteful number, since it uses less digits than its factorization.

988666822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150348.

The product of its digits is 3981312, while the sum is 55.

The square root of 988666822 is about 31443.0727188041. The cubic root of 988666822 is about 996.2079122471.

The spelling of 988666822 in words is "nine hundred eighty-eight million, six hundred sixty-six thousand, eight hundred twenty-two".