969998881 has 8 divisors (see below), whose sum is σ = 1002614400. Its totient is φ = 937922640.

The previous prime is 969998867. The next prime is 969998917. The reversal of 969998881 is 188899969.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 969998881 - 2⁷ = 969998753 is a prime.

It is a super-2 number, since 2×969998881² = 1881795658282504322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (969998681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131161 + ... + 138358.

It is an arithmetic number, because the mean of its divisors is an integer number (125326800).

Almost surely, 2^969998881 is an apocalyptic number.

It is an amenable number.

969998881 is a deficient number, since it is larger than the sum of its proper divisors (32615519).

969998881 is a wasteful number, since it uses less digits than its factorization.

969998881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269639.

The product of its digits is 20155392, while the sum is 67.

The square root of 969998881 is about 31144.8050403274. The cubic root of 969998881 is about 989.8979185974.

The spelling of 969998881 in words is "nine hundred sixty-nine million, nine hundred ninety-eight thousand, eight hundred eighty-one".