8818470861 has 4 divisors (see below), whose sum is σ = 11757961152. Its totient is φ = 5878980572.

The previous prime is 8818470853. The next prime is 8818470863. The reversal of 8818470861 is 1680748188.

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 8818470861 - 2³ = 8818470853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8818470863) 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, 1469745141 + ... + 1469745146.

It is an arithmetic number, because the mean of its divisors is an integer number (2939490288).

Almost surely, 2^8818470861 is an apocalyptic number.

It is an amenable number.

8818470861 is a deficient number, since it is larger than the sum of its proper divisors (2939490291).

8818470861 is a wasteful number, since it uses less digits than its factorization.

8818470861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939490290.

The product of its (nonzero) digits is 688128, while the sum is 51.

The square root of 8818470861 is about 93906.7136098373. The cubic root of 8818470861 is about 2066.0036989195.

The spelling of 8818470861 in words is "eight billion, eight hundred eighteen million, four hundred seventy thousand, eight hundred sixty-one".