8545663455 has 48 divisors (see below), whose sum is σ = 16596969984. Its totient is φ = 3736729920.

The previous prime is 8545663433. The next prime is 8545663481. The reversal of 8545663455 is 5543665458.

It is not a de Polignac number, because 8545663455 - 2⁷ = 8545663327 is a prime.

It is a super-2 number, since 2×8545663455² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8545663398 and 8545663407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 235851 + ... + 269660.

It is an arithmetic number, because the mean of its divisors is an integer number (345770208).

Almost surely, 2^8545663455 is an apocalyptic number.

8545663455 is a deficient number, since it is larger than the sum of its proper divisors (8051306529).

8545663455 is a wasteful number, since it uses less digits than its factorization.

8545663455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505556 (or 505549 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 51.

The square root of 8545663455 is about 92442.7577206565. The cubic root of 8545663455 is about 2044.4755844316.

The spelling of 8545663455 in words is "eight billion, five hundred forty-five million, six hundred sixty-three thousand, four hundred fifty-five".