7820882 has 4 divisors (see below), whose sum is σ = 11731326. Its totient is φ = 3910440.

The previous prime is 7820881. The next prime is 7820887. The reversal of 7820882 is 2880287.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2880287 = 839 ⋅3433.

It can be written as a sum of positive squares in only one way, i.e., 4541161 + 3279721 = 2131^2 + 1811^2 .

It is a super-2 number, since 2×7820882² = 122332390515848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7820881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1955219 + ... + 1955222.

Almost surely, 2^7820882 is an apocalyptic number.

7820882 is a deficient number, since it is larger than the sum of its proper divisors (3910444).

7820882 is a wasteful number, since it uses less digits than its factorization.

7820882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910443.

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 7820882 is about 2796.5839876535. The cubic root of 7820882 is about 198.4960693091.

The spelling of 7820882 in words is "seven million, eight hundred twenty thousand, eight hundred eighty-two".