8987878 has 4 divisors (see below), whose sum is σ = 13481820. Its totient is φ = 4493938.

The previous prime is 8987851. The next prime is 8987911. The reversal of 8987878 is 8787898.

8987878 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2246968 + ... + 2246971.

It is an arithmetic number, because the mean of its divisors is an integer number (3370455).

Almost surely, 2^8987878 is an apocalyptic number.

8987878 is a deficient number, since it is larger than the sum of its proper divisors (4493942).

8987878 is a wasteful number, since it uses less digits than its factorization.

8987878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493941.

The product of its digits is 1806336, while the sum is 55.

The square root of 8987878 is about 2997.9789859170. The cubic root of 8987878 is about 207.9149522864.

The spelling of 8987878 in words is "eight million, nine hundred eighty-seven thousand, eight hundred seventy-eight".