8626577680 has 80 divisors (see below), whose sum is σ = 22959316224. Its totient is φ = 2952875520.

The previous prime is 8626577651. The next prime is 8626577689. The reversal of 8626577680 is 867756268.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (8626577689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341154 + ... + 365566.

Almost surely, 2^8626577680 is an apocalyptic number.

8626577680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8626577680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11479658112).

8626577680 is an abundant number, since it is smaller than the sum of its proper divisors (14332738544).

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

8626577680 is a wasteful number, since it uses less digits than its factorization.

8626577680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25064 (or 25058 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The square root of 8626577680 is about 92879.3716602347. The cubic root of 8626577680 is about 2050.9079999047.

The spelling of 8626577680 in words is "eight billion, six hundred twenty-six million, five hundred seventy-seven thousand, six hundred eighty".