8979988533 has 32 divisors (see below), whose sum is σ = 12478924800. Its totient is φ = 5737138176.

The previous prime is 8979988529. The next prime is 8979988543. The reversal of 8979988533 is 3358899798.

8979988533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8979988533 - 2² = 8979988529 is a prime.

It is a super-2 number, since 2×8979988533² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8979988513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8260716 + ... + 8261802.

It is an arithmetic number, because the mean of its divisors is an integer number (389966400).

Almost surely, 2^8979988533 is an apocalyptic number.

It is an amenable number.

8979988533 is a deficient number, since it is larger than the sum of its proper divisors (3498936267).

8979988533 is a wasteful number, since it uses less digits than its factorization.

8979988533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741.

The product of its digits is 117573120, while the sum is 69.

The square root of 8979988533 is about 94762.8014201775. The cubic root of 8979988533 is about 2078.5409927426.

It can be divided in two parts, 897998 and 8533, that added together give a triangular number (906531 = T₁₃₄₆).

The spelling of 8979988533 in words is "eight billion, nine hundred seventy-nine million, nine hundred eighty-eight thousand, five hundred thirty-three".