9856223399 has 8 divisors (see below), whose sum is σ = 11384728848. Its totient is φ = 8433132160.

The previous prime is 9856223393. The next prime is 9856223431. The reversal of 9856223399 is 9933226589.

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 9856223399 - 2¹⁶ = 9856157863 is a prime.

It is a super-2 number, since 2×9856223399² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9856223393) 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, 26353352 + ... + 26353725.

It is an arithmetic number, because the mean of its divisors is an integer number (1423091106).

Almost surely, 2^9856223399 is an apocalyptic number.

9856223399 is a deficient number, since it is larger than the sum of its proper divisors (1528505449).

9856223399 is a wasteful number, since it uses less digits than its factorization.

9856223399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52707105.

The product of its digits is 6298560, while the sum is 56.

The square root of 9856223399 is about 99278.5142868284. The cubic root of 9856223399 is about 2144.0595634366.

The spelling of 9856223399 in words is "nine billion, eight hundred fifty-six million, two hundred twenty-three thousand, three hundred ninety-nine".