988276869 has 72 divisors (see below), whose sum is σ = 1579598592. Its totient is φ = 617258880.

The previous prime is 988276841. The next prime is 988276873. The reversal of 988276869 is 968672889.

It is not a de Polignac number, because 988276869 - 2⁸ = 988276613 is a prime.

It is a super-2 number, since 2×988276869² = 1953382339600886322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988276879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8745757 + ... + 8745869.

Almost surely, 2^988276869 is an apocalyptic number.

It is an amenable number.

988276869 is a deficient number, since it is larger than the sum of its proper divisors (591321723).

988276869 is an equidigital number, since it uses as much as digits as its factorization.

988276869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 190 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The square root of 988276869 is about 31436.8711706493. The cubic root of 988276869 is about 996.0769192301.

The spelling of 988276869 in words is "nine hundred eighty-eight million, two hundred seventy-six thousand, eight hundred sixty-nine".