7939384782 has 16 divisors (see below), whose sum is σ = 18147165312. Its totient is φ = 2268395640.

The previous prime is 7939384777. The next prime is 7939384799. The reversal of 7939384782 is 2874839397.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94516444 + ... + 94516527.

It is an arithmetic number, because the mean of its divisors is an integer number (1134197832).

Almost surely, 2^7939384782 is an apocalyptic number.

7939384782 is an abundant number, since it is smaller than the sum of its proper divisors (10207780530).

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

7939384782 is a wasteful number, since it uses less digits than its factorization.

7939384782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189032983.

The product of its digits is 18289152, while the sum is 60.

The square root of 7939384782 is about 89103.2254298350. The cubic root of 7939384782 is about 1994.9359202036.

The spelling of 7939384782 in words is "seven billion, nine hundred thirty-nine million, three hundred eighty-four thousand, seven hundred eighty-two".