855908157 has 16 divisors (see below), whose sum is σ = 1232497728. Its totient is φ = 525212160.

The previous prime is 855908153. The next prime is 855908159. The reversal of 855908157 is 751809558.

855908157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 855908157 - 2² = 855908153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855908153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17319 + ... + 44852.

It is an arithmetic number, because the mean of its divisors is an integer number (77031108).

Almost surely, 2^855908157 is an apocalyptic number.

It is an amenable number.

855908157 is a deficient number, since it is larger than the sum of its proper divisors (376589571).

855908157 is a wasteful number, since it uses less digits than its factorization.

855908157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62540.

The product of its (nonzero) digits is 504000, while the sum is 48.

The square root of 855908157 is about 29255.9080699950. The cubic root of 855908157 is about 949.4579204750.

The spelling of 855908157 in words is "eight hundred fifty-five million, nine hundred eight thousand, one hundred fifty-seven".