8612768646 has 24 divisors (see below), whose sum is σ = 19472347440. Its totient is φ = 2746100016.

The previous prime is 8612768627. The next prime is 8612768677. The reversal of 8612768646 is 6468672168.

It is a junction number, because it is equal to n+sod(n) for n = 8612768592 and 8612768601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10401481 + ... + 10402308.

It is an arithmetic number, because the mean of its divisors is an integer number (811347810).

Almost surely, 2^8612768646 is an apocalyptic number.

8612768646 is an abundant number, since it is smaller than the sum of its proper divisors (10859578794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8612768646 is a wasteful number, since it uses less digits than its factorization.

8612768646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20803820 (or 20803817 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 8612768646 is about 92805.0033457248. The cubic root of 8612768646 is about 2049.8130819858.

The spelling of 8612768646 in words is "eight billion, six hundred twelve million, seven hundred sixty-eight thousand, six hundred forty-six".