9879255 has 36 divisors (see below), whose sum is σ = 17704440. Its totient is φ = 5094720.

The previous prime is 9879239. The next prime is 9879257. The reversal of 9879255 is 5529789.

It is a happy number.

It is not a de Polignac number, because 9879255 - 2⁴ = 9879239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

9879255 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9879255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9879257) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 161925 + ... + 161985.

It is an arithmetic number, because the mean of its divisors is an integer number (491790).

Almost surely, 2^9879255 is an apocalyptic number.

9879255 is a deficient number, since it is larger than the sum of its proper divisors (7825185).

9879255 is a wasteful number, since it uses less digits than its factorization.

9879255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 128 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 9879255 is about 3143.1282188291. The cubic root of 9879255 is about 214.5728313164.

The spelling of 9879255 in words is "nine million, eight hundred seventy-nine thousand, two hundred fifty-five".