9877867 has 8 divisors (see below), whose sum is σ = 10506672. Its totient is φ = 9254400.

The previous prime is 9877859. The next prime is 9877897. The reversal of 9877867 is 7687789.

It is a happy number.

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

It is not a de Polignac number, because 9877867 - 2³ = 9877859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9877897) 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, 2892 + ... + 5302.

It is an arithmetic number, because the mean of its divisors is an integer number (1313334).

Almost surely, 2^9877867 is an apocalyptic number.

9877867 is a deficient number, since it is larger than the sum of its proper divisors (628805).

9877867 is a wasteful number, since it uses less digits than its factorization.

9877867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669.

The product of its digits is 1185408, while the sum is 52.

The square root of 9877867 is about 3142.9074119356. The cubic root of 9877867 is about 214.5627819406.

The spelling of 9877867 in words is "nine million, eight hundred seventy-seven thousand, eight hundred sixty-seven".