115838587 has 2 divisors, whose sum is σ = 115838588. Its totient is φ = 115838586.

The previous prime is 115838581. The next prime is 115838621. The reversal of 115838587 is 785838511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115838587 - 2³ = 115838579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115838581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57919293 + 57919294.

It is an arithmetic number, because the mean of its divisors is an integer number (57919294).

Almost surely, 2^115838587 is an apocalyptic number.

115838587 is a deficient number, since it is larger than the sum of its proper divisors (1).

115838587 is an equidigital number, since it uses as much as digits as its factorization.

115838587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 46.

The square root of 115838587 is about 10762.8335952945. The cubic root of 115838587 is about 487.4735810360.

The spelling of 115838587 in words is "one hundred fifteen million, eight hundred thirty-eight thousand, five hundred eighty-seven".