8456228678 has 4 divisors (see below), whose sum is σ = 12684343020. Its totient is φ = 4228114338.

The previous prime is 8456228657. The next prime is 8456228699. The reversal of 8456228678 is 8768226548.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (8456228657) and next prime (8456228699).

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, 2114057168 + ... + 2114057171.

It is an arithmetic number, because the mean of its divisors is an integer number (3171085755).

Almost surely, 2^8456228678 is an apocalyptic number.

8456228678 is a deficient number, since it is larger than the sum of its proper divisors (4228114342).

8456228678 is a wasteful number, since it uses less digits than its factorization.

8456228678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228114341.

The product of its digits is 10321920, while the sum is 56.

The square root of 8456228678 is about 91957.7548551507. The cubic root of 8456228678 is about 2037.3183942318.

The spelling of 8456228678 in words is "eight billion, four hundred fifty-six million, two hundred twenty-eight thousand, six hundred seventy-eight".