230278641858 has 12 divisors (see below), whose sum is σ = 498937057398. Its totient is φ = 76759547280.

The previous prime is 230278641847. The next prime is 230278641869. The reversal of 230278641858 is 858146872032.

230278641858 is a `hidden beast` number, since 230 + 278 + 64 + 1 + 85 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (230278641847) and next prime (230278641869).

It can be written as a sum of positive squares in only one way, i.e., 230258901609 + 19740249 = 479853^2 + 4443^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6396628923 + ... + 6396628958.

Almost surely, 2^230278641858 is an apocalyptic number.

230278641858 is an abundant number, since it is smaller than the sum of its proper divisors (268658415540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230278641858 is a wasteful number, since it uses less digits than its factorization.

230278641858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12793257889 (or 12793257886 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 230278641858 in words is "two hundred thirty billion, two hundred seventy-eight million, six hundred forty-one thousand, eight hundred fifty-eight".