7971882 has 8 divisors (see below), whose sum is σ = 15943776. Its totient is φ = 2657292.

The previous prime is 7971881. The next prime is 7971911. The reversal of 7971882 is 2881797.

It is a sphenic number, since it is the product of 3 distinct primes.

7971882 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (7971881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664318 + ... + 664329.

It is an arithmetic number, because the mean of its divisors is an integer number (1992972).

Almost surely, 2^7971882 is an apocalyptic number.

7971882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7971882 is a wasteful number, since it uses less digits than its factorization.

7971882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328652.

The product of its digits is 56448, while the sum is 42.

The square root of 7971882 is about 2823.4521423251. The cubic root of 7971882 is about 199.7654082745.

It can be divided in two parts, 79718 and 82, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 7971882 in words is "seven million, nine hundred seventy-one thousand, eight hundred eighty-two".