7882878 has 8 divisors (see below), whose sum is σ = 15765768. Its totient is φ = 2627624.

The previous prime is 7882877. The next prime is 7882879. The reversal of 7882878 is 8782887.

7882878 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7882877) and next prime (7882879).

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

7882878 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7882871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656901 + ... + 656912.

It is an arithmetic number, because the mean of its divisors is an integer number (1970721).

Almost surely, 2^7882878 is an apocalyptic number.

7882878 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.

7882878 is a wasteful number, since it uses less digits than its factorization.

7882878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313818.

The product of its digits is 401408, while the sum is 48.

The square root of 7882878 is about 2807.6463452508. The cubic root of 7882878 is about 199.0191811684.

Subtracting 7882878 from its reverse (8782887), we obtain a palindrome (900009).

The spelling of 7882878 in words is "seven million, eight hundred eighty-two thousand, eight hundred seventy-eight".