7843974416 has 30 divisors (see below), whose sum is σ = 15375012030. Its totient is φ = 3876267648.

The previous prime is 7843974407. The next prime is 7843974461. The reversal of 7843974416 is 6144793487.

It can be written as a sum of positive squares in only one way, i.e., 5640610816 + 2203363600 = 75104^2 + 46940^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3340955 + ... + 3343301.

It is an arithmetic number, because the mean of its divisors is an integer number (512500401).

Almost surely, 2^7843974416 is an apocalyptic number.

It is an amenable number.

7843974416 is a deficient number, since it is larger than the sum of its proper divisors (7531037614).

7843974416 is an frugal number, since it uses more digits than its factorization.

7843974416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791 (or 2438 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 53.

The square root of 7843974416 is about 88566.2148677474. The cubic root of 7843974416 is about 1986.9124123334.

The spelling of 7843974416 in words is "seven billion, eight hundred forty-three million, nine hundred seventy-four thousand, four hundred sixteen".