9779255 has 8 divisors (see below), whose sum is σ = 12245472. Its totient is φ = 7483168.

The previous prime is 9779251. The next prime is 9779257. The reversal of 9779255 is 5529779.

9779255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9779255 - 2² = 9779251 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 (9779251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42404 + ... + 42633.

It is an arithmetic number, because the mean of its divisors is an integer number (1530684).

Almost surely, 2^9779255 is an apocalyptic number.

9779255 is a deficient number, since it is larger than the sum of its proper divisors (2466217).

9779255 is a wasteful number, since it uses less digits than its factorization.

9779255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85065.

The product of its digits is 198450, while the sum is 44.

The square root of 9779255 is about 3127.1800395884. The cubic root of 9779255 is about 213.8463901870.

The spelling of 9779255 in words is "nine million, seven hundred seventy-nine thousand, two hundred fifty-five".