230778361 has 16 divisors (see below), whose sum is σ = 259263360. Its totient is φ = 203575680.

The previous prime is 230778341. The next prime is 230778371. The reversal of 230778361 is 163877032.

It is a de Polignac number, because none of the positive numbers 2^k-230778361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230778361.

It is not an unprimeable number, because it can be changed into a prime (230778341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250660 + ... + 251578.

It is an arithmetic number, because the mean of its divisors is an integer number (16203960).

Almost surely, 2^230778361 is an apocalyptic number.

It is an amenable number.

230778361 is a deficient number, since it is larger than the sum of its proper divisors (28484999).

230778361 is a wasteful number, since it uses less digits than its factorization.

230778361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 230778361 is about 15191.3910159669. The cubic root of 230778361 is about 613.3829429456.

The spelling of 230778361 in words is "two hundred thirty million, seven hundred seventy-eight thousand, three hundred sixty-one".