7848939842 has 32 divisors (see below), whose sum is σ = 12722935680. Its totient is φ = 3620404480.

The previous prime is 7848939823. The next prime is 7848939853. The reversal of 7848939842 is 2489398487.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452698 + ... + 1458090.

It is an arithmetic number, because the mean of its divisors is an integer number (397591740).

Almost surely, 2^7848939842 is an apocalyptic number.

7848939842 is a deficient number, since it is larger than the sum of its proper divisors (4873995838).

7848939842 is a wasteful number, since it uses less digits than its factorization.

7848939842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538.

The product of its digits is 27869184, while the sum is 62.

The square root of 7848939842 is about 88594.2427136211. The cubic root of 7848939842 is about 1987.3315784765.

The spelling of 7848939842 in words is "seven billion, eight hundred forty-eight million, nine hundred thirty-nine thousand, eight hundred forty-two".