238667878 has 4 divisors (see below), whose sum is σ = 358001820. Its totient is φ = 119333938.

The previous prime is 238667861. The next prime is 238667917. The reversal of 238667878 is 878766832.

238667878 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59666968 + ... + 59666971.

It is an arithmetic number, because the mean of its divisors is an integer number (89500455).

Almost surely, 2^238667878 is an apocalyptic number.

238667878 is a deficient number, since it is larger than the sum of its proper divisors (119333942).

238667878 is a wasteful number, since it uses less digits than its factorization.

238667878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119333941.

The product of its digits is 5419008, while the sum is 55.

The square root of 238667878 is about 15448.8795062943. The cubic root of 238667878 is about 620.2945859885.

The spelling of 238667878 in words is "two hundred thirty-eight million, six hundred sixty-seven thousand, eight hundred seventy-eight".