838535078755 has 32 divisors (see below), whose sum is σ = 1123419306240. Its totient is φ = 595569905280.

The previous prime is 838535078729. The next prime is 838535078867. The reversal of 838535078755 is 557870535838.

It is not a de Polignac number, because 838535078755 - 2¹¹ = 838535076707 is a prime.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17886736 + ... + 17933554.

It is an arithmetic number, because the mean of its divisors is an integer number (35106853320).

Almost surely, 2^838535078755 is an apocalyptic number.

838535078755 is a deficient number, since it is larger than the sum of its proper divisors (284884227485).

838535078755 is a wasteful number, since it uses less digits than its factorization.

838535078755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54451.

The product of its (nonzero) digits is 141120000, while the sum is 64.

The spelling of 838535078755 in words is "eight hundred thirty-eight billion, five hundred thirty-five million, seventy-eight thousand, seven hundred fifty-five".