7829943312 has 20 divisors (see below), whose sum is σ = 20227353680. Its totient is φ = 2609981088.

The previous prime is 7829943311. The next prime is 7829943343. The reversal of 7829943312 is 2133499287.

It is a super-2 number, since 2×7829943312² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 163123819 = 7829943312 / (7 + 8 + 2 + 9 + 9 + 4 + 3 + 3 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (7829943311) 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, 81561862 + ... + 81561957.

It is an arithmetic number, because the mean of its divisors is an integer number (1011367684).

Almost surely, 2^7829943312 is an apocalyptic number.

It is an amenable number.

7829943312 is an abundant number, since it is smaller than the sum of its proper divisors (12397410368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7829943312 is a wasteful number, since it uses less digits than its factorization.

7829943312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163123830 (or 163123824 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 7829943312 is about 88486.9669047369. The cubic root of 7829943312 is about 1985.7269922650.

The spelling of 7829943312 in words is "seven billion, eight hundred twenty-nine million, nine hundred forty-three thousand, three hundred twelve".