238469678438 has 8 divisors (see below), whose sum is σ = 358109621688. Its totient is φ = 119099804544.

The previous prime is 238469678417. The next prime is 238469678459. The reversal of 238469678438 is 834876964832.

It is an interprime number because it is at equal distance from previous prime (238469678417) and next prime (238469678459).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67515131 + ... + 67518662.

It is an arithmetic number, because the mean of its divisors is an integer number (44763702711).

Almost surely, 2^238469678438 is an apocalyptic number.

238469678438 is a deficient number, since it is larger than the sum of its proper divisors (119639943250).

238469678438 is a wasteful number, since it uses less digits than its factorization.

238469678438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135034678.

The product of its digits is 334430208, while the sum is 68.

The spelling of 238469678438 in words is "two hundred thirty-eight billion, four hundred sixty-nine million, six hundred seventy-eight thousand, four hundred thirty-eight".