230787761 has 4 divisors (see below), whose sum is σ = 230827632. Its totient is φ = 230747892.

The previous prime is 230787707. The next prime is 230787793. The reversal of 230787761 is 167787032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230787761 - 2¹⁴ = 230771377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230787961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9395 + ... + 23448.

It is an arithmetic number, because the mean of its divisors is an integer number (57706908).

Almost surely, 2^230787761 is an apocalyptic number.

It is an amenable number.

230787761 is a deficient number, since it is larger than the sum of its proper divisors (39871).

230787761 is an equidigital number, since it uses as much as digits as its factorization.

230787761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39870.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 230787761 is about 15191.7003985729. The cubic root of 230787761 is about 613.3912708803.

The spelling of 230787761 in words is "two hundred thirty million, seven hundred eighty-seven thousand, seven hundred sixty-one".