987995269 has 12 divisors (see below), whose sum is σ = 1046683200. Its totient is φ = 932449320.

The previous prime is 987995257. The next prime is 987995311. The reversal of 987995269 is 962599789.

It is not a de Polignac number, because 987995269 - 2¹⁵ = 987962501 is a prime.

It is a super-2 number, since 2×987995269² = 1952269303132764722, 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 987995269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987995209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92782 + ... + 102880.

It is an arithmetic number, because the mean of its divisors is an integer number (87223600).

Almost surely, 2^987995269 is an apocalyptic number.

987995269 is the 18148-th hex number.

It is an amenable number.

987995269 is a deficient number, since it is larger than the sum of its proper divisors (58687931).

987995269 is a wasteful number, since it uses less digits than its factorization.

987995269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10408 (or 10389 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 64.

The square root of 987995269 is about 31432.3920343330. The cubic root of 987995269 is about 995.9823027264.

The spelling of 987995269 in words is "nine hundred eighty-seven million, nine hundred ninety-five thousand, two hundred sixty-nine".