8229308108861 has 16 divisors (see below), whose sum is σ = 9417708839808. Its totient is φ = 7044108494400.

The previous prime is 8229308108837. The next prime is 8229308108873. The reversal of 8229308108861 is 1688018039228.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8229308108861 - 2⁶ = 8229308108797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8229308108797 and 8229308108806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8229308108561) 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, 20607851 + ... + 21003383.

It is an arithmetic number, because the mean of its divisors is an integer number (588606802488).

Almost surely, 2^{8229308108861} is an apocalyptic number.

It is an amenable number.

8229308108861 is a deficient number, since it is larger than the sum of its proper divisors (1188400730947).

8229308108861 is a wasteful number, since it uses less digits than its factorization.

8229308108861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399572.

The product of its (nonzero) digits is 2654208, while the sum is 56.

The spelling of 8229308108861 in words is "eight trillion, two hundred twenty-nine billion, three hundred eight million, one hundred eight thousand, eight hundred sixty-one".