8979973633 has 4 divisors (see below), whose sum is σ = 8982252720. Its totient is φ = 8977694548.

The previous prime is 8979973621. The next prime is 8979973727. The reversal of 8979973633 is 3363799798.

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 8979973633 - 2²⁹ = 8443102721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8979973603) 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, 1133623 + ... + 1141516.

It is an arithmetic number, because the mean of its divisors is an integer number (2245563180).

Almost surely, 2^8979973633 is an apocalyptic number.

It is an amenable number.

8979973633 is a deficient number, since it is larger than the sum of its proper divisors (2279087).

8979973633 is a wasteful number, since it uses less digits than its factorization.

8979973633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279086.

The product of its digits is 46294416, while the sum is 64.

The square root of 8979973633 is about 94762.7228027984. The cubic root of 8979973633 is about 2078.5398431391.

The spelling of 8979973633 in words is "eight billion, nine hundred seventy-nine million, nine hundred seventy-three thousand, six hundred thirty-three".