7913947982 has 32 divisors (see below), whose sum is σ = 13276029600. Its totient is φ = 3521605248.

The previous prime is 7913947973. The next prime is 7913947999. The reversal of 7913947982 is 2897493197.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 56273 + ... + 137820.

It is an arithmetic number, because the mean of its divisors is an integer number (414875925).

Almost surely, 2^7913947982 is an apocalyptic number.

7913947982 is a deficient number, since it is larger than the sum of its proper divisors (5362081618).

7913947982 is a wasteful number, since it uses less digits than its factorization.

7913947982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194180.

The product of its digits is 6858432, while the sum is 59.

The square root of 7913947982 is about 88960.3730994874. The cubic root of 7913947982 is about 1992.8031321097.

The spelling of 7913947982 in words is "seven billion, nine hundred thirteen million, nine hundred forty-seven thousand, nine hundred eighty-two".