855042365 has 8 divisors (see below), whose sum is σ = 1070661888. Its totient is φ = 654293200.

The previous prime is 855042347. The next prime is 855042373. The reversal of 855042365 is 563240558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 855042365 - 2¹⁴ = 855025981 is a prime.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 3717461 + ... + 3717690.

It is an arithmetic number, because the mean of its divisors is an integer number (133832736).

Almost surely, 2^855042365 is an apocalyptic number.

It is an amenable number.

855042365 is a deficient number, since it is larger than the sum of its proper divisors (215619523).

855042365 is a wasteful number, since it uses less digits than its factorization.

855042365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7435179.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 855042365 is about 29241.1074516681. The cubic root of 855042365 is about 949.1376717831.

The spelling of 855042365 in words is "eight hundred fifty-five million, forty-two thousand, three hundred sixty-five".