9864703873 has 4 divisors (see below), whose sum is σ = 9940007088. Its totient is φ = 9789400660.

The previous prime is 9864703819. The next prime is 9864703897. The reversal of 9864703873 is 3783074689.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9864703873 - 2¹⁷ = 9864572801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9864703813) 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, 37651411 + ... + 37651672.

It is an arithmetic number, because the mean of its divisors is an integer number (2485001772).

Almost surely, 2^9864703873 is an apocalyptic number.

It is an amenable number.

9864703873 is a deficient number, since it is larger than the sum of its proper divisors (75303215).

9864703873 is a wasteful number, since it uses less digits than its factorization.

9864703873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75303214.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The square root of 9864703873 is about 99321.2156238535. The cubic root of 9864703873 is about 2144.6743164458.

The spelling of 9864703873 in words is "nine billion, eight hundred sixty-four million, seven hundred three thousand, eight hundred seventy-three".