544280087 has 4 divisors (see below), whose sum is σ = 586147800. Its totient is φ = 502412376.

The previous prime is 544280081. The next prime is 544280129. The reversal of 544280087 is 780082445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 544280087 - 2⁸ = 544279831 is a prime.

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 544280087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544280081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20933837 + ... + 20933862.

It is an arithmetic number, because the mean of its divisors is an integer number (146536950).

Almost surely, 2^544280087 is an apocalyptic number.

544280087 is a deficient number, since it is larger than the sum of its proper divisors (41867713).

544280087 is a wasteful number, since it uses less digits than its factorization.

544280087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41867712.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 544280087 is about 23329.8111222530. The cubic root of 544280087 is about 816.4710966564.

The spelling of 544280087 in words is "five hundred forty-four million, two hundred eighty thousand, eighty-seven".