8306868861 has 6 divisors (see below), whose sum is σ = 11998810590. Its totient is φ = 5537912568.

The previous prime is 8306868851. The next prime is 8306868883. The reversal of 8306868861 is 1688686038.

It can be written as a sum of positive squares in only one way, i.e., 8263900836 + 42968025 = 90906^2 + 6555^2 .

It is not a de Polignac number, because 8306868861 - 2¹⁹ = 8306344573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8306868798 and 8306868807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8306868851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 461492706 + ... + 461492723.

It is an arithmetic number, because the mean of its divisors is an integer number (1999801765).

Almost surely, 2^8306868861 is an apocalyptic number.

It is an amenable number.

8306868861 is a deficient number, since it is larger than the sum of its proper divisors (3691941729).

8306868861 is a wasteful number, since it uses less digits than its factorization.

8306868861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922985435 (or 922985432 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 8306868861 is about 91142.0257674801. The cubic root of 8306868861 is about 2025.2522257384.

The spelling of 8306868861 in words is "eight billion, three hundred six million, eight hundred sixty-eight thousand, eight hundred sixty-one".