8842774521 has 16 divisors (see below), whose sum is σ = 13909372928. Its totient is φ = 4890013200.

The previous prime is 8842774487. The next prime is 8842774529. The reversal of 8842774521 is 1254772488.

It is not a de Polignac number, because 8842774521 - 2¹⁰ = 8842773497 is a prime.

It is a super-2 number, since 2×8842774521² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8842774529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6791035 + ... + 6792336.

It is an arithmetic number, because the mean of its divisors is an integer number (869335808).

Almost surely, 2^8842774521 is an apocalyptic number.

It is an amenable number.

8842774521 is a deficient number, since it is larger than the sum of its proper divisors (5066598407).

8842774521 is a wasteful number, since it uses less digits than its factorization.

8842774521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13583412.

The product of its digits is 1003520, while the sum is 48.

The square root of 8842774521 is about 94036.0277819092. The cubic root of 8842774521 is about 2067.8999231532.

The spelling of 8842774521 in words is "eight billion, eight hundred forty-two million, seven hundred seventy-four thousand, five hundred twenty-one".