238722615865 has 8 divisors (see below), whose sum is σ = 287906673600. Its totient is φ = 190018402992.

The previous prime is 238722615851. The next prime is 238722615893. The reversal of 238722615865 is 568516227832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238722615865 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119960119 + ... + 119962108.

It is an arithmetic number, because the mean of its divisors is an integer number (35988334200).

Almost surely, 2^238722615865 is an apocalyptic number.

It is an amenable number.

238722615865 is a deficient number, since it is larger than the sum of its proper divisors (49184057735).

238722615865 is a wasteful number, since it uses less digits than its factorization.

238722615865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239922431.

The product of its digits is 9676800, while the sum is 55.

The spelling of 238722615865 in words is "two hundred thirty-eight billion, seven hundred twenty-two million, six hundred fifteen thousand, eight hundred sixty-five".