855153093 has 16 divisors (see below), whose sum is σ = 1160303040. Its totient is φ = 560098176.

The previous prime is 855153077. The next prime is 855153107. The reversal of 855153093 is 390351558.

It is a happy number.

It is not a de Polignac number, because 855153093 - 2⁴ = 855153077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855153043) 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, 72721 + ... + 83657.

It is an arithmetic number, because the mean of its divisors is an integer number (72518940).

Almost surely, 2^855153093 is an apocalyptic number.

It is an amenable number.

855153093 is a deficient number, since it is larger than the sum of its proper divisors (305149947).

855153093 is a wasteful number, since it uses less digits than its factorization.

855153093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 855153093 is about 29243.0007523168. Note that the first 3 decimals coincide. The cubic root of 855153093 is about 949.1786411293.

The spelling of 855153093 in words is "eight hundred fifty-five million, one hundred fifty-three thousand, ninety-three".