8707971 has 4 divisors (see below), whose sum is σ = 11610632. Its totient is φ = 5805312.

The previous prime is 8707969. The next prime is 8707997. The reversal of 8707971 is 1797078.

It is a happy number.

8707971 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 8707971 - 2¹ = 8707969 is a prime.

It is a Duffinian number.

8707971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8703971) 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, 1451326 + ... + 1451331.

It is an arithmetic number, because the mean of its divisors is an integer number (2902658).

Almost surely, 2^8707971 is an apocalyptic number.

8707971 is a deficient number, since it is larger than the sum of its proper divisors (2902661).

8707971 is a wasteful number, since it uses less digits than its factorization.

8707971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902660.

The product of its (nonzero) digits is 24696, while the sum is 39.

The square root of 8707971 is about 2950.9271424418. The cubic root of 8707971 is about 205.7338048471.

The spelling of 8707971 in words is "eight million, seven hundred seven thousand, nine hundred seventy-one".