9871707 has 8 divisors (see below), whose sum is σ = 13205584. Its totient is φ = 6559488.

The previous prime is 9871699. The next prime is 9871721. The reversal of 9871707 is 7071789.

It is a happy number.

9871707 is digitally balanced in base 2 and base 3, because in such bases 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 not a de Polignac number, because 9871707 - 2³ = 9871699 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 (9871007) 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, 4318 + ... + 6195.

It is an arithmetic number, because the mean of its divisors is an integer number (1650698).

Almost surely, 2^9871707 is an apocalyptic number.

9871707 is a deficient number, since it is larger than the sum of its proper divisors (3333877).

9871707 is a wasteful number, since it uses less digits than its factorization.

9871707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10829.

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

The square root of 9871707 is about 3141.9272747790. The cubic root of 9871707 is about 214.5181710417.

The spelling of 9871707 in words is "nine million, eight hundred seventy-one thousand, seven hundred seven".