987822269 has 16 divisors (see below), whose sum is σ = 1137504000. Its totient is φ = 840305664.

The previous prime is 987822257. The next prime is 987822271. The reversal of 987822269 is 962228789.

It is a cyclic number.

It is not a de Polignac number, because 987822269 - 2²⁰ = 986773693 is a prime.

It is a super-2 number, since 2×987822269² = 1951585670264616722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 987822269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987828269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803147 + ... + 804375.

It is an arithmetic number, because the mean of its divisors is an integer number (71094000).

Almost surely, 2^987822269 is an apocalyptic number.

It is an amenable number.

987822269 is a deficient number, since it is larger than the sum of its proper divisors (149681731).

987822269 is a wasteful number, since it uses less digits than its factorization.

987822269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012.

The product of its digits is 1741824, while the sum is 53.

The square root of 987822269 is about 31429.6399756663. The cubic root of 987822269 is about 995.9241664843.

The spelling of 987822269 in words is "nine hundred eighty-seven million, eight hundred twenty-two thousand, two hundred sixty-nine".