8678919 has 4 divisors (see below), whose sum is σ = 11571896. Its totient is φ = 5785944.

The previous prime is 8678903. The next prime is 8678927. The reversal of 8678919 is 9198768.

It is a happy number.

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

It is not a de Polignac number, because 8678919 - 2⁴ = 8678903 is a prime.

It is a super-2 number, since 2×8678919² = 150647270017122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8678939) 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, 1446484 + ... + 1446489.

It is an arithmetic number, because the mean of its divisors is an integer number (2892974).

Almost surely, 2^8678919 is an apocalyptic number.

8678919 is a deficient number, since it is larger than the sum of its proper divisors (2892977).

8678919 is a wasteful number, since it uses less digits than its factorization.

8678919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892976.

The product of its digits is 217728, while the sum is 48.

The square root of 8678919 is about 2946.0005091649. Note that the first 3 decimals coincide. The cubic root of 8678919 is about 205.5047565513.

The spelling of 8678919 in words is "eight million, six hundred seventy-eight thousand, nine hundred nineteen".