7881082 has 16 divisors (see below), whose sum is σ = 12946752. Its totient is φ = 3568320.

The previous prime is 7881079. The next prime is 7881089. The reversal of 7881082 is 2801887.

7881082 is nontrivially palindromic in base 13.

It is a super-2 number, since 2×7881082² = 124222906981448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7881089) 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 7 ways as a sum of consecutive naturals, for example, 6883 + ... + 7945.

It is an arithmetic number, because the mean of its divisors is an integer number (809172).

Almost surely, 2^7881082 is an apocalyptic number.

7881082 is a deficient number, since it is larger than the sum of its proper divisors (5065670).

7881082 is a wasteful number, since it uses less digits than its factorization.

7881082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 7881082 is about 2807.3264861786. The cubic root of 7881082 is about 199.0040654708.

The spelling of 7881082 in words is "seven million, eight hundred eighty-one thousand, eighty-two".