8677778672 has 20 divisors (see below), whose sum is σ = 16897690800. Its totient is φ = 4317084288.

The previous prime is 8677778671. The next prime is 8677778689. The reversal of 8677778672 is 2768777768.

It is a junction number, because it is equal to n+sod(n) for n = 8677778599 and 8677778608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8677778671) 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, 1359533 + ... + 1365900.

It is an arithmetic number, because the mean of its divisors is an integer number (844884540).

Almost surely, 2^8677778672 is an apocalyptic number.

It is an amenable number.

8677778672 is a deficient number, since it is larger than the sum of its proper divisors (8219912128).

8677778672 is a wasteful number, since it uses less digits than its factorization.

8677778672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725640 (or 2725634 counting only the distinct ones).

The product of its digits is 77446656, while the sum is 65.

The square root of 8677778672 is about 93154.5955495487. The cubic root of 8677778672 is about 2054.9575569562.

The spelling of 8677778672 in words is "eight billion, six hundred seventy-seven million, seven hundred seventy-eight thousand, six hundred seventy-two".