9955679 has 4 divisors (see below), whose sum is σ = 10143576. Its totient is φ = 9767784.

The previous prime is 9955651. The next prime is 9955697. The reversal of 9955679 is 9765599.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9955679 - 2¹² = 9951583 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 (9915679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93869 + ... + 93974.

It is an arithmetic number, because the mean of its divisors is an integer number (2535894).

Almost surely, 2^9955679 is an apocalyptic number.

9955679 is a deficient number, since it is larger than the sum of its proper divisors (187897).

9955679 is a wasteful number, since it uses less digits than its factorization.

9955679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187896.

The product of its digits is 765450, while the sum is 50.

The square root of 9955679 is about 3155.2621127253. The cubic root of 9955679 is about 215.1247086127.

The spelling of 9955679 in words is "nine million, nine hundred fifty-five thousand, six hundred seventy-nine".