8454994547 has 16 divisors (see below), whose sum is σ = 9260904960. Its totient is φ = 7691609952.

The previous prime is 8454994531. The next prime is 8454994651. The reversal of 8454994547 is 7454994548.

It is a cyclic number.

It is not a de Polignac number, because 8454994547 - 2⁴ = 8454994531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8454994507) 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, 41993 + ... + 136650.

It is an arithmetic number, because the mean of its divisors is an integer number (578806560).

Almost surely, 2^8454994547 is an apocalyptic number.

8454994547 is a deficient number, since it is larger than the sum of its proper divisors (805910413).

8454994547 is a wasteful number, since it uses less digits than its factorization.

8454994547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178762.

The product of its digits is 29030400, while the sum is 59.

The square root of 8454994547 is about 91951.0442953205. The cubic root of 8454994547 is about 2037.2192783332.

Subtracting from 8454994547 its reverse (7454994548), we obtain a palindrome (999999999).

It can be divided in two parts, 8454 and 994547, that added together give a palindrome (1003001).

The spelling of 8454994547 in words is "eight billion, four hundred fifty-four million, nine hundred ninety-four thousand, five hundred forty-seven".