238572126078 has 32 divisors (see below), whose sum is σ = 560561081472. Its totient is φ = 66733461600.

The previous prime is 238572126049. The next prime is 238572126113. The reversal of 238572126078 is 870621275832.

It is a self number, because there is not a number n which added to its sum of digits gives 238572126078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139027188 + ... + 139028903.

It is an arithmetic number, because the mean of its divisors is an integer number (17517533796).

Almost surely, 2^238572126078 is an apocalyptic number.

238572126078 is an abundant number, since it is smaller than the sum of its proper divisors (321988955394).

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

238572126078 is a wasteful number, since it uses less digits than its factorization.

238572126078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278056120.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 238572126078 in words is "two hundred thirty-eight billion, five hundred seventy-two million, one hundred twenty-six thousand, seventy-eight".