238077143999 has 4 divisors (see below), whose sum is σ = 238210373064. Its totient is φ = 237943914936.

The previous prime is 238077143963. The next prime is 238077144023. The reversal of 238077143999 is 999341770832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238077143999 - 2¹² = 238077139903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238077143299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66611852 + ... + 66615425.

It is an arithmetic number, because the mean of its divisors is an integer number (59552593266).

Almost surely, 2^238077143999 is an apocalyptic number.

238077143999 is a deficient number, since it is larger than the sum of its proper divisors (133229065).

238077143999 is a wasteful number, since it uses less digits than its factorization.

238077143999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133229064.

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 238077143999 in words is "two hundred thirty-eight billion, seventy-seven million, one hundred forty-three thousand, nine hundred ninety-nine".