838784055 has 16 divisors (see below), whose sum is σ = 1362086784. Its totient is φ = 440674080.

The previous prime is 838784041. The next prime is 838784057. The reversal of 838784055 is 550487838.

It is not a de Polignac number, because 838784055 - 2⁶ = 838783991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 838783995 and 838784013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838784057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416301 + ... + 418310.

It is an arithmetic number, because the mean of its divisors is an integer number (85130424).

Almost surely, 2^838784055 is an apocalyptic number.

838784055 is a deficient number, since it is larger than the sum of its proper divisors (523302729).

838784055 is a wasteful number, since it uses less digits than its factorization.

838784055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834686.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The square root of 838784055 is about 28961.7688513668. The cubic root of 838784055 is about 943.0833018905.

The spelling of 838784055 in words is "eight hundred thirty-eight million, seven hundred eighty-four thousand, fifty-five".