853538155 has 8 divisors (see below), whose sum is σ = 1033310592. Its totient is φ = 676787328.

The previous prime is 853538143. The next prime is 853538201. The reversal of 853538155 is 551835358.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853538155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754779 + ... + 755908.

It is an arithmetic number, because the mean of its divisors is an integer number (129163824).

Almost surely, 2^853538155 is an apocalyptic number.

853538155 is a deficient number, since it is larger than the sum of its proper divisors (179772437).

853538155 is a wasteful number, since it uses less digits than its factorization.

853538155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510805.

The product of its digits is 360000, while the sum is 43.

The square root of 853538155 is about 29215.3753184860. The cubic root of 853538155 is about 948.5807635447.

The spelling of 853538155 in words is "eight hundred fifty-three million, five hundred thirty-eight thousand, one hundred fifty-five".