7944839046 has 16 divisors (see below), whose sum is σ = 17655198000. Its totient is φ = 2648279664.

The previous prime is 7944838997. The next prime is 7944839047. The reversal of 7944839046 is 6409384497.

It is a happy number.

7944839046 is a `hidden beast` number, since 79 + 4 + 483 + 90 + 4 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 147126649 = 7944839046 / (7 + 9 + 4 + 4 + 8 + 3 + 9 + 0 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 7944838983 and 7944839001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7944839047) 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, 73563271 + ... + 73563378.

It is an arithmetic number, because the mean of its divisors is an integer number (1103449875).

Almost surely, 2^7944839046 is an apocalyptic number.

7944839046 is an abundant number, since it is smaller than the sum of its proper divisors (9710358954).

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

7944839046 is a wasteful number, since it uses less digits than its factorization.

7944839046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147126660 (or 147126654 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The square root of 7944839046 is about 89133.8266092060. The cubic root of 7944839046 is about 1995.3926481380.

The spelling of 7944839046 in words is "seven billion, nine hundred forty-four million, eight hundred thirty-nine thousand, forty-six".