8979651867 has 4 divisors (see below), whose sum is σ = 11972869160. Its totient is φ = 5986434576.

The previous prime is 8979651853. The next prime is 8979651911. The reversal of 8979651867 is 7681569798.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8979651867 - 2⁶ = 8979651803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8979651798 and 8979651807.

It is not an unprimeable number, because it can be changed into a prime (8979691867) 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, 1496608642 + ... + 1496608647.

It is an arithmetic number, because the mean of its divisors is an integer number (2993217290).

Almost surely, 2^8979651867 is an apocalyptic number.

8979651867 is a deficient number, since it is larger than the sum of its proper divisors (2993217293).

8979651867 is a wasteful number, since it uses less digits than its factorization.

8979651867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993217292.

The product of its digits is 45722880, while the sum is 66.

The square root of 8979651867 is about 94761.0250419443. The cubic root of 8979651867 is about 2078.5150171033.

The spelling of 8979651867 in words is "eight billion, nine hundred seventy-nine million, six hundred fifty-one thousand, eight hundred sixty-seven".