855671151 has 4 divisors (see below), whose sum is σ = 1140894872. Its totient is φ = 570447432.

The previous prime is 855671119. The next prime is 855671177. The reversal of 855671151 is 151176558.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 855671151 - 2⁵ = 855671119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855671191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142611856 + ... + 142611861.

It is an arithmetic number, because the mean of its divisors is an integer number (285223718).

Almost surely, 2^855671151 is an apocalyptic number.

855671151 is a deficient number, since it is larger than the sum of its proper divisors (285223721).

855671151 is a wasteful number, since it uses less digits than its factorization.

855671151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285223720.

The product of its digits is 42000, while the sum is 39.

The square root of 855671151 is about 29251.8572230893. The cubic root of 855671151 is about 949.3702755583.

The spelling of 855671151 in words is "eight hundred fifty-five million, six hundred seventy-one thousand, one hundred fifty-one".