8513932680 has 672 divisors, whose sum is σ = 33493017600. Its totient is φ = 1939956480.

The previous prime is 8513932649. The next prime is 8513932703. The reversal of 8513932680 is 862393158.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 67038777 + ... + 67038903.

It is an arithmetic number, because the mean of its divisors is an integer number (49840800).

Almost surely, 2^8513932680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8513932680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16746508800).

8513932680 is an abundant number, since it is smaller than the sum of its proper divisors (24979084920).

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

8513932680 is a wasteful number, since it uses less digits than its factorization.

8513932680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 8513932680 is about 92270.9742009913. The cubic root of 8513932680 is about 2041.9420088202.

The spelling of 8513932680 in words is "eight billion, five hundred thirteen million, nine hundred thirty-two thousand, six hundred eighty".