8934039861 has 4 divisors (see below), whose sum is σ = 11912053152. Its totient is φ = 5956026572.

The previous prime is 8934039827. The next prime is 8934039883. The reversal of 8934039861 is 1689304398.

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 8934039861 - 2¹³ = 8934031669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8934039061) 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, 1489006641 + ... + 1489006646.

It is an arithmetic number, because the mean of its divisors is an integer number (2978013288).

Almost surely, 2^8934039861 is an apocalyptic number.

It is an amenable number.

8934039861 is a deficient number, since it is larger than the sum of its proper divisors (2978013291).

8934039861 is a wasteful number, since it uses less digits than its factorization.

8934039861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978013290.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 8934039861 is about 94520.0500475957. The cubic root of 8934039861 is about 2074.9897796758.

The spelling of 8934039861 in words is "eight billion, nine hundred thirty-four million, thirty-nine thousand, eight hundred sixty-one".