87045369 has 8 divisors (see below), whose sum is σ = 117088032. Its totient is φ = 57516480.

The previous prime is 87045367. The next prime is 87045377. The reversal of 87045369 is 96354078.

It is a happy number.

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

It is not a de Polignac number, because 87045369 - 2¹ = 87045367 is a prime.

It is a super-2 number, since 2×87045369² = 15153792528692322, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 87045369.

It is not an unprimeable number, because it can be changed into a prime (87045367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128047 + ... + 128724.

It is an arithmetic number, because the mean of its divisors is an integer number (14636004).

Almost surely, 2^87045369 is an apocalyptic number.

It is an amenable number.

87045369 is a deficient number, since it is larger than the sum of its proper divisors (30042663).

87045369 is a wasteful number, since it uses less digits than its factorization.

87045369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256887.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 87045369 is about 9329.8107697852. The cubic root of 87045369 is about 443.1817726156.

The spelling of 87045369 in words is "eighty-seven million, forty-five thousand, three hundred sixty-nine".