858881153 has 6 divisors (see below), whose sum is σ = 930031254. Its totient is φ = 792813216.

The previous prime is 858881143. The next prime is 858881171. The reversal of 858881153 is 351188858.

It can be written as a sum of positive squares in 3 ways, for example, as 9042049 + 849839104 = 3007^2 + 29152^2 .

It is not a de Polignac number, because 858881153 - 2⁴ = 858881137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 858881098 and 858881107.

It is not an unprimeable number, because it can be changed into a prime (858881143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2540900 + ... + 2541237.

It is an arithmetic number, because the mean of its divisors is an integer number (155005209).

Almost surely, 2^858881153 is an apocalyptic number.

It is an amenable number.

858881153 is a deficient number, since it is larger than the sum of its proper divisors (71150101).

858881153 is a wasteful number, since it uses less digits than its factorization.

858881153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5082163 (or 5082150 counting only the distinct ones).

The product of its digits is 307200, while the sum is 47.

The square root of 858881153 is about 29306.6742057163. The cubic root of 858881153 is about 950.5559637693. Note that the first 3 decimals are identical.

The spelling of 858881153 in words is "eight hundred fifty-eight million, eight hundred eighty-one thousand, one hundred fifty-three".