538857087 has 16 divisors (see below), whose sum is σ = 756602880. Its totient is φ = 340461792.

The previous prime is 538857073. The next prime is 538857101. The reversal of 538857087 is 780758835.

It is an interprime number because it is at equal distance from previous prime (538857073) and next prime (538857101).

It is not a de Polignac number, because 538857087 - 2⁴ = 538857071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538857017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28303 + ... + 43344.

It is an arithmetic number, because the mean of its divisors is an integer number (47287680).

Almost surely, 2^538857087 is an apocalyptic number.

538857087 is a deficient number, since it is larger than the sum of its proper divisors (217745793).

538857087 is a wasteful number, since it uses less digits than its factorization.

538857087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71782.

The product of its (nonzero) digits is 1881600, while the sum is 51.

The square root of 538857087 is about 23213.2954790999. The cubic root of 538857087 is about 813.7503711882.

The spelling of 538857087 in words is "five hundred thirty-eight million, eight hundred fifty-seven thousand, eighty-seven".