8860399809 has 4 divisors (see below), whose sum is σ = 11813866416. Its totient is φ = 5906933204.

The previous prime is 8860399799. The next prime is 8860399829. The reversal of 8860399809 is 9089930688.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8860399809 - 2⁸ = 8860399553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8860399829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1476733299 + ... + 1476733304.

It is an arithmetic number, because the mean of its divisors is an integer number (2953466604).

Almost surely, 2^8860399809 is an apocalyptic number.

It is an amenable number.

8860399809 is a deficient number, since it is larger than the sum of its proper divisors (2953466607).

8860399809 is a wasteful number, since it uses less digits than its factorization.

8860399809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953466606.

The product of its (nonzero) digits is 6718464, while the sum is 60.

The square root of 8860399809 is about 94129.6967433764. The cubic root of 8860399809 is about 2069.2729139102.

The spelling of 8860399809 in words is "eight billion, eight hundred sixty million, three hundred ninety-nine thousand, eight hundred nine".