8306861172 has 24 divisors (see below), whose sum is σ = 19700426592. Its totient is φ = 2723560800.

The previous prime is 8306861141. The next prime is 8306861183. The reversal of 8306861172 is 2711686038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5673354 + ... + 5674817.

It is an arithmetic number, because the mean of its divisors is an integer number (820851108).

Almost surely, 2^8306861172 is an apocalyptic number.

It is an amenable number.

8306861172 is an abundant number, since it is smaller than the sum of its proper divisors (11393565420).

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

8306861172 is a wasteful number, since it uses less digits than its factorization.

8306861172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11348239 (or 11348237 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 8306861172 is about 91141.9835860511. The cubic root of 8306861172 is about 2025.2516008672.

The spelling of 8306861172 in words is "eight billion, three hundred six million, eight hundred sixty-one thousand, one hundred seventy-two".