8988920445 has 16 divisors (see below), whose sum is σ = 14413347072. Its totient is φ = 4783732800.

The previous prime is 8988920393. The next prime is 8988920491. The reversal of 8988920445 is 5440298898.

It is not a de Polignac number, because 8988920445 - 2¹⁰ = 8988919421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640206 + ... + 654095.

It is an arithmetic number, because the mean of its divisors is an integer number (900834192).

Almost surely, 2^8988920445 is an apocalyptic number.

It is an amenable number.

8988920445 is a deficient number, since it is larger than the sum of its proper divisors (5424426627).

8988920445 is a wasteful number, since it uses less digits than its factorization.

8988920445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294772.

The product of its (nonzero) digits is 6635520, while the sum is 57.

The square root of 8988920445 is about 94809.9174401075. The cubic root of 8988920445 is about 2079.2299020602.

The spelling of 8988920445 in words is "eight billion, nine hundred eighty-eight million, nine hundred twenty thousand, four hundred forty-five".