539357987 has 16 divisors (see below), whose sum is σ = 638373120. Its totient is φ = 446094432.

The previous prime is 539357909. The next prime is 539358007. The reversal of 539357987 is 789753935.

It is a happy number.

It is not a de Polignac number, because 539357987 - 2¹² = 539353891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (539357087) 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, 14189 + ... + 35777.

It is an arithmetic number, because the mean of its divisors is an integer number (39898320).

Almost surely, 2^539357987 is an apocalyptic number.

539357987 is a deficient number, since it is larger than the sum of its proper divisors (99015133).

539357987 is a wasteful number, since it uses less digits than its factorization.

539357987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21722.

The product of its digits is 7144200, while the sum is 56.

The square root of 539357987 is about 23224.0820485977. The cubic root of 539357987 is about 814.0024363692.

The spelling of 539357987 in words is "five hundred thirty-nine million, three hundred fifty-seven thousand, nine hundred eighty-seven".