9870879 has 8 divisors (see below), whose sum is σ = 13409712. Its totient is φ = 6456320.

The previous prime is 9870871. The next prime is 9870907. The reversal of 9870879 is 9780789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9870879 - 2³ = 9870871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9870871) 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, 30882 + ... + 31199.

It is an arithmetic number, because the mean of its divisors is an integer number (1676214).

Almost surely, 2^9870879 is an apocalyptic number.

9870879 is a deficient number, since it is larger than the sum of its proper divisors (3538833).

9870879 is a wasteful number, since it uses less digits than its factorization.

9870879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62137.

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 9870879 is about 3141.7955057578. The cubic root of 9870879 is about 214.5121732269.

The spelling of 9870879 in words is "nine million, eight hundred seventy thousand, eight hundred seventy-nine".