8745548781 has 16 divisors (see below), whose sum is σ = 11775185856. Its totient is φ = 5773238016.

The previous prime is 8745548767. The next prime is 8745548789. The reversal of 8745548781 is 1878455478.

It is not a de Polignac number, because 8745548781 - 2⁹ = 8745548269 is a prime.

It is a super-2 number, since 2×8745548781² (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 (8745548789) 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, 358726 + ... + 382328.

It is an arithmetic number, because the mean of its divisors is an integer number (735949116).

Almost surely, 2^8745548781 is an apocalyptic number.

It is an amenable number.

8745548781 is a deficient number, since it is larger than the sum of its proper divisors (3029637075).

8745548781 is a wasteful number, since it uses less digits than its factorization.

8745548781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24812.

The product of its digits is 10035200, while the sum is 57.

The square root of 8745548781 is about 93517.6388763104. The cubic root of 8745548781 is about 2060.2931669513.

The spelling of 8745548781 in words is "eight billion, seven hundred forty-five million, five hundred forty-eight thousand, seven hundred eighty-one".