8805866421 has 16 divisors (see below), whose sum is σ = 12815461440. Its totient is φ = 5334001920.

The previous prime is 8805866387. The next prime is 8805866453. The reversal of 8805866421 is 1246685088.

It is a happy number.

It is not a de Polignac number, because 8805866421 - 2⁶ = 8805866357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8805866221) 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, 9426 + ... + 133043.

It is an arithmetic number, because the mean of its divisors is an integer number (800966340).

Almost surely, 2^8805866421 is an apocalyptic number.

It is an amenable number.

8805866421 is a deficient number, since it is larger than the sum of its proper divisors (4009595019).

8805866421 is a wasteful number, since it uses less digits than its factorization.

8805866421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144356.

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 8805866421 is about 93839.5781160593. The cubic root of 8805866421 is about 2065.0189009560.

The spelling of 8805866421 in words is "eight billion, eight hundred five million, eight hundred sixty-six thousand, four hundred twenty-one".