538718872 has 16 divisors (see below), whose sum is σ = 1010730240. Its totient is φ = 269190816.

The previous prime is 538718867. The next prime is 538718879. The reversal of 538718872 is 278817835.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538718879) 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, 6943 + ... + 33550.

It is an arithmetic number, because the mean of its divisors is an integer number (63170640).

Almost surely, 2^538718872 is an apocalyptic number.

It is an amenable number.

538718872 is a deficient number, since it is larger than the sum of its proper divisors (472011368).

538718872 is a wasteful number, since it uses less digits than its factorization.

538718872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42162 (or 42158 counting only the distinct ones).

The product of its digits is 752640, while the sum is 49.

The square root of 538718872 is about 23210.3182227215. The cubic root of 538718872 is about 813.6807905097.

The spelling of 538718872 in words is "five hundred thirty-eight million, seven hundred eighteen thousand, eight hundred seventy-two".