8679211997 has 4 divisors (see below), whose sum is σ = 8789075520. Its totient is φ = 8569348476.

The previous prime is 8679211969. The next prime is 8679211999. The reversal of 8679211997 is 7991129768.

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 8679211997 - 2¹⁶ = 8679146461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8679211999) 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, 54931643 + ... + 54931800.

It is an arithmetic number, because the mean of its divisors is an integer number (2197268880).

Almost surely, 2^8679211997 is an apocalyptic number.

It is an amenable number.

8679211997 is a deficient number, since it is larger than the sum of its proper divisors (109863523).

8679211997 is a wasteful number, since it uses less digits than its factorization.

8679211997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109863522.

The product of its digits is 3429216, while the sum is 59.

The square root of 8679211997 is about 93162.2884916424. The cubic root of 8679211997 is about 2055.0706911271.

It can be divided in two parts, 86792 and 11997, that added together give a palindrome (98789).

The spelling of 8679211997 in words is "eight billion, six hundred seventy-nine million, two hundred eleven thousand, nine hundred ninety-seven".