230775771 has 16 divisors (see below), whose sum is σ = 317376000. Its totient is φ = 149048928.

The previous prime is 230775763. The next prime is 230775791. The reversal of 230775771 is 177577032.

It is not a de Polignac number, because 230775771 - 2³ = 230775763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230775751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22180 + ... + 30878.

It is an arithmetic number, because the mean of its divisors is an integer number (19836000).

Almost surely, 2^230775771 is an apocalyptic number.

230775771 is a deficient number, since it is larger than the sum of its proper divisors (86600229).

230775771 is a wasteful number, since it uses less digits than its factorization.

230775771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8978.

The product of its (nonzero) digits is 72030, while the sum is 39.

The square root of 230775771 is about 15191.3057700778. The cubic root of 230775771 is about 613.3806482940.

The spelling of 230775771 in words is "two hundred thirty million, seven hundred seventy-five thousand, seven hundred seventy-one".