7823712844 has 12 divisors (see below), whose sum is σ = 14286780144. Its totient is φ = 3741775664.

The previous prime is 7823712839. The next prime is 7823712901. The reversal of 7823712844 is 4482173287.

It is a super-2 number, since 2×7823712844² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 7823712794 and 7823712803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42520087 + ... + 42520270.

It is an arithmetic number, because the mean of its divisors is an integer number (1190565012).

Almost surely, 2^7823712844 is an apocalyptic number.

It is an amenable number.

7823712844 is a deficient number, since it is larger than the sum of its proper divisors (6463067300).

7823712844 is a wasteful number, since it uses less digits than its factorization.

7823712844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85040384 (or 85040382 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The square root of 7823712844 is about 88451.7543296909. The cubic root of 7823712844 is about 1985.2001561180.

The spelling of 7823712844 in words is "seven billion, eight hundred twenty-three million, seven hundred twelve thousand, eight hundred forty-four".