8201878 has 4 divisors (see below), whose sum is σ = 12302820. Its totient is φ = 4100938.

The previous prime is 8201873. The next prime is 8201881. The reversal of 8201878 is 8781028.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8201873) 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, 2050468 + ... + 2050471.

It is an arithmetic number, because the mean of its divisors is an integer number (3075705).

Almost surely, 2^8201878 is an apocalyptic number.

8201878 is a deficient number, since it is larger than the sum of its proper divisors (4100942).

8201878 is a wasteful number, since it uses less digits than its factorization.

8201878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100941.

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

The square root of 8201878 is about 2863.8921069063. The cubic root of 8201878 is about 201.6683608294.

The spelling of 8201878 in words is "eight million, two hundred one thousand, eight hundred seventy-eight".