538075863 has 12 divisors (see below), whose sum is σ = 837007080. Its totient is φ = 331123536.

The previous prime is 538075849. The next prime is 538075907. The reversal of 538075863 is 368570835.

538075863 is a `hidden beast` number, since 538 + 0 + 7 + 58 + 63 = 666.

It is not a de Polignac number, because 538075863 - 2⁴ = 538075847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538075963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2299353 + ... + 2299586.

It is an arithmetic number, because the mean of its divisors is an integer number (69750590).

Almost surely, 2^538075863 is an apocalyptic number.

538075863 is a deficient number, since it is larger than the sum of its proper divisors (298931217).

538075863 is a wasteful number, since it uses less digits than its factorization.

538075863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598958 (or 4598955 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 538075863 is about 23196.4622949276. The cubic root of 538075863 is about 813.3569281018.

The spelling of 538075863 in words is "five hundred thirty-eight million, seventy-five thousand, eight hundred sixty-three".