87345269 has 16 divisors (see below), whose sum is σ = 101445696. Its totient is φ = 74323200.

The previous prime is 87345263. The next prime is 87345331. The reversal of 87345269 is 96254378.

It is a cyclic number.

It is not a de Polignac number, because 87345269 - 2⁴ = 87345253 is a prime.

It is a super-2 number, since 2×87345269² = 15258392033364722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87345263) 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 15 ways as a sum of consecutive naturals, for example, 35654 + ... + 38024.

It is an arithmetic number, because the mean of its divisors is an integer number (6340356).

Almost surely, 2^87345269 is an apocalyptic number.

It is an amenable number.

87345269 is a deficient number, since it is larger than the sum of its proper divisors (14100427).

87345269 is a wasteful number, since it uses less digits than its factorization.

87345269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596.

The product of its digits is 362880, while the sum is 44.

The square root of 87345269 is about 9345.8690874632. The cubic root of 87345269 is about 443.6901583260.

The spelling of 87345269 in words is "eighty-seven million, three hundred forty-five thousand, two hundred sixty-nine".