238512998886 has 64 divisors (see below), whose sum is σ = 503324430336. Its totient is φ = 75244291200.

The previous prime is 238512998881. The next prime is 238512998989. The reversal of 238512998886 is 688899215832.

It is a self number, because there is not a number n which added to its sum of digits gives 238512998886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238512998881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3026940 + ... + 3104736.

It is an arithmetic number, because the mean of its divisors is an integer number (7864444224).

Almost surely, 2^238512998886 is an apocalyptic number.

238512998886 is an abundant number, since it is smaller than the sum of its proper divisors (264811431450).

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

238512998886 is a wasteful number, since it uses less digits than its factorization.

238512998886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78197.

The product of its digits is 119439360, while the sum is 69.

The spelling of 238512998886 in words is "two hundred thirty-eight billion, five hundred twelve million, nine hundred ninety-eight thousand, eight hundred eighty-six".