8455005547 has 4 divisors (see below), whose sum is σ = 8460826000. Its totient is φ = 8449185096.

The previous prime is 8455005523. The next prime is 8455005557. The reversal of 8455005547 is 7455005548.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8455005547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8455005557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2908047 + ... + 2910952.

It is an arithmetic number, because the mean of its divisors is an integer number (2115206500).

Almost surely, 2^8455005547 is an apocalyptic number.

8455005547 is a deficient number, since it is larger than the sum of its proper divisors (5820453).

8455005547 is a wasteful number, since it uses less digits than its factorization.

8455005547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820452.

The product of its (nonzero) digits is 560000, while the sum is 43.

The square root of 8455005547 is about 91951.1041097387. The cubic root of 8455005547 is about 2037.2201618111.

Subtracting from 8455005547 its reverse (7455005548), we obtain a palindrome (999999999).

The spelling of 8455005547 in words is "eight billion, four hundred fifty-five million, five thousand, five hundred forty-seven".