8727979 has 4 divisors (see below), whose sum is σ = 9399376. Its totient is φ = 8056584.

The previous prime is 8727937. The next prime is 8727989. The reversal of 8727979 is 9797278.

8727979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8727979 - 2¹¹ = 8725931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8727989) 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, 335679 + ... + 335704.

It is an arithmetic number, because the mean of its divisors is an integer number (2349844).

Almost surely, 2^8727979 is an apocalyptic number.

8727979 is a deficient number, since it is larger than the sum of its proper divisors (671397).

8727979 is a wasteful number, since it uses less digits than its factorization.

8727979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671396.

The product of its digits is 444528, while the sum is 49.

The square root of 8727979 is about 2954.3153183098. The cubic root of 8727979 is about 205.8912534399.

It can be divided in two parts, 87279 and 79, that multiplied together give a triangular number (6895041 = T₃₇₁₃).

The spelling of 8727979 in words is "eight million, seven hundred twenty-seven thousand, nine hundred seventy-nine".