538374865 has 16 divisors (see below), whose sum is σ = 738806400. Its totient is φ = 368939520.

The previous prime is 538374857. The next prime is 538374877. The reversal of 538374865 is 568473835.

It is not a de Polignac number, because 538374865 - 2³ = 538374857 is a prime.

It is an unprimeable number.

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, 66561 + ... + 74209.

It is an arithmetic number, because the mean of its divisors is an integer number (46175400).

Almost surely, 2^538374865 is an apocalyptic number.

It is an amenable number.

538374865 is a deficient number, since it is larger than the sum of its proper divisors (200431535).

538374865 is a wasteful number, since it uses less digits than its factorization.

538374865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672.

The product of its digits is 2419200, while the sum is 49.

The square root of 538374865 is about 23202.9063912261. The cubic root of 538374865 is about 813.5075576146.

The spelling of 538374865 in words is "five hundred thirty-eight million, three hundred seventy-four thousand, eight hundred sixty-five".