230707987 has 6 divisors (see below), whose sum is σ = 237113268. Its totient is φ = 224471304.

The previous prime is 230707931. The next prime is 230707999. The reversal of 230707987 is 789707032.

It is a de Polignac number, because none of the positive numbers 2^k-230707987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230707927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82893 + ... + 85630.

It is an arithmetic number, because the mean of its divisors is an integer number (39518878).

Almost surely, 2^230707987 is an apocalyptic number.

230707987 is a deficient number, since it is larger than the sum of its proper divisors (6405281).

230707987 is an equidigital number, since it uses as much as digits as its factorization.

230707987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168597 (or 168560 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 230707987 is about 15189.0745932726. The cubic root of 230707987 is about 613.3205878797.

The spelling of 230707987 in words is "two hundred thirty million, seven hundred seven thousand, nine hundred eighty-seven".