855775818232 has 8 divisors (see below), whose sum is σ = 1604579659200. Its totient is φ = 427887909112.

The previous prime is 855775818223. The next prime is 855775818263. The reversal of 855775818232 is 232818577558.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 53485988632 + ... + 53485988647.

It is an arithmetic number, because the mean of its divisors is an integer number (200572457400).

Almost surely, 2^855775818232 is an apocalyptic number.

It is an amenable number.

855775818232 is a deficient number, since it is larger than the sum of its proper divisors (748803840968).

855775818232 is a wasteful number, since it uses less digits than its factorization.

855775818232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106971977285 (or 106971977281 counting only the distinct ones).

The product of its digits is 37632000, while the sum is 61.

The spelling of 855775818232 in words is "eight hundred fifty-five billion, seven hundred seventy-five million, eight hundred eighteen thousand, two hundred thirty-two".