9777873 has 32 divisors (see below), whose sum is σ = 16070400. Its totient is φ = 5160960.

The previous prime is 9777871. The next prime is 9777877. The reversal of 9777873 is 3787779.

It is not a de Polignac number, because 9777873 - 2¹ = 9777871 is a prime.

9777873 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9777871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21553 + ... + 22001.

It is an arithmetic number, because the mean of its divisors is an integer number (502200).

Almost surely, 2^9777873 is an apocalyptic number.

It is an amenable number.

9777873 is a deficient number, since it is larger than the sum of its proper divisors (6292527).

9777873 is a wasteful number, since it uses less digits than its factorization.

9777873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537.

The product of its digits is 518616, while the sum is 48.

The square root of 9777873 is about 3126.9590659297. The cubic root of 9777873 is about 213.8363161533.

The spelling of 9777873 in words is "nine million, seven hundred seventy-seven thousand, eight hundred seventy-three".