8996287861 has 4 divisors (see below), whose sum is σ = 9814132224. Its totient is φ = 8178443500.

The previous prime is 8996287801. The next prime is 8996287889. The reversal of 8996287861 is 1687826998.

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 8996287861 - 2⁷ = 8996287733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8996287793 and 8996287802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8996287801) 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, 408922165 + ... + 408922186.

It is an arithmetic number, because the mean of its divisors is an integer number (2453533056).

Almost surely, 2^8996287861 is an apocalyptic number.

It is an amenable number.

8996287861 is a deficient number, since it is larger than the sum of its proper divisors (817844363).

8996287861 is a wasteful number, since it uses less digits than its factorization.

8996287861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817844362.

The product of its digits is 20901888, while the sum is 64.

The square root of 8996287861 is about 94848.7630968375. The cubic root of 8996287861 is about 2079.7978000098.

The spelling of 8996287861 in words is "eight billion, nine hundred ninety-six million, two hundred eighty-seven thousand, eight hundred sixty-one".