8779971 has 4 divisors (see below), whose sum is σ = 11706632. Its totient is φ = 5853312.

The previous prime is 8779961. The next prime is 8779993. The reversal of 8779971 is 1799778.

8779971 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 not a de Polignac number, because 8779971 - 2⁶ = 8779907 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8779971.

It is not an unprimeable number, because it can be changed into a prime (8779961) 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, 1463326 + ... + 1463331.

It is an arithmetic number, because the mean of its divisors is an integer number (2926658).

Almost surely, 2^8779971 is an apocalyptic number.

8779971 is a deficient number, since it is larger than the sum of its proper divisors (2926661).

8779971 is a wasteful number, since it uses less digits than its factorization.

8779971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926660.

The product of its digits is 222264, while the sum is 48.

The square root of 8779971 is about 2963.1015844888. The cubic root of 8779971 is about 206.2992712406.

The spelling of 8779971 in words is "eight million, seven hundred seventy-nine thousand, nine hundred seventy-one".