7878662082 has 12 divisors (see below), whose sum is σ = 17070434550. Its totient is φ = 2626220688.

The previous prime is 7878662069. The next prime is 7878662083. The reversal of 7878662082 is 2802668787.

7878662082 is a `hidden beast` number, since 7 + 8 + 7 + 8 + 6 + 620 + 8 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7876385001 + 2277081 = 88749^2 + 1509^2 .

It is not an unprimeable number, because it can be changed into a prime (7878662083) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 218851707 + ... + 218851742.

Almost surely, 2^7878662082 is an apocalyptic number.

7878662082 is an abundant number, since it is smaller than the sum of its proper divisors (9191772468).

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

7878662082 is a wasteful number, since it uses less digits than its factorization.

7878662082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437703457 (or 437703454 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The square root of 7878662082 is about 88761.8278428289. The cubic root of 7878662082 is about 1989.8369505224.

The spelling of 7878662082 in words is "seven billion, eight hundred seventy-eight million, six hundred sixty-two thousand, eighty-two".