838752257838 has 16 divisors (see below), whose sum is σ = 1830004926336. Its totient is φ = 254167350840.

The previous prime is 838752257803. The next prime is 838752257869.

838752257838 is nontrivially palindromic in base 10.

838752257838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 12708367543 = 838752257838 / (8 + 3 + 8 + 7 + 5 + 2 + 2 + 5 + 7 + 8 + 3 + 8).

It is a congruent number.

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, 6354183706 + ... + 6354183837.

It is an arithmetic number, because the mean of its divisors is an integer number (114375307896).

Almost surely, 2^838752257838 is an apocalyptic number.

838752257838 is an abundant number, since it is smaller than the sum of its proper divisors (991252668498).

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

838752257838 is a wasteful number, since it uses less digits than its factorization.

838752257838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12708367559.

The product of its digits is 180633600, while the sum is 66.

It can be divided in two parts, 8387 and 52257838, that added together give a palindrome (52266225).

The spelling of 838752257838 in words is "eight hundred thirty-eight billion, seven hundred fifty-two million, two hundred fifty-seven thousand, eight hundred thirty-eight".