230782687 has 2 divisors, whose sum is σ = 230782688. Its totient is φ = 230782686.

The previous prime is 230782661. The next prime is 230782697. The reversal of 230782687 is 786287032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230782687 - 2¹¹ = 230780639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230782627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115391343 + 115391344.

It is an arithmetic number, because the mean of its divisors is an integer number (115391344).

Almost surely, 2^230782687 is an apocalyptic number.

230782687 is a deficient number, since it is larger than the sum of its proper divisors (1).

230782687 is an equidigital number, since it uses as much as digits as its factorization.

230782687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 230782687 is about 15191.5333985744. The cubic root of 230782687 is about 613.3867755955.

The spelling of 230782687 in words is "two hundred thirty million, seven hundred eighty-two thousand, six hundred eighty-seven".