1838854755 has 12 divisors (see below), whose sum is σ = 3187348320. Its totient is φ = 980722512.

The previous prime is 1838854747. The next prime is 1838854757. The reversal of 1838854755 is 5574588381.

1838854755 is a `hidden beast` number, since 18 + 3 + 88 + 547 + 5 + 5 = 666.

It is not a de Polignac number, because 1838854755 - 2³ = 1838854747 is a prime.

It is a super-2 number, since 2×1838854755² = 6762773619972220050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1838854757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20431675 + ... + 20431764.

It is an arithmetic number, because the mean of its divisors is an integer number (265612360).

Almost surely, 2^1838854755 is an apocalyptic number.

1838854755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1838854755 is a deficient number, since it is larger than the sum of its proper divisors (1348493565).

1838854755 is a wasteful number, since it uses less digits than its factorization.

1838854755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40863450 (or 40863447 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 54.

The square root of 1838854755 is about 42881.8697703353. The cubic root of 1838854755 is about 1225.1308492742.

The spelling of 1838854755 in words is "one billion, eight hundred thirty-eight million, eight hundred fifty-four thousand, seven hundred fifty-five".