8548448477 has 2 divisors, whose sum is σ = 8548448478. Its totient is φ = 8548448476.

The previous prime is 8548448437. The next prime is 8548448483. The reversal of 8548448477 is 7748448458.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7600178041 + 948270436 = 87179^2 + 30794^2 .

It is a cyclic number.

It is not a de Polignac number, because 8548448477 - 2⁸ = 8548448221 is a prime.

It is a super-3 number, since 3×8548448477³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8548448417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4274224238 + 4274224239.

It is an arithmetic number, because the mean of its divisors is an integer number (4274224239).

Almost surely, 2^8548448477 is an apocalyptic number.

It is an amenable number.

8548448477 is a deficient number, since it is larger than the sum of its proper divisors (1).

8548448477 is an equidigital number, since it uses as much as digits as its factorization.

8548448477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32112640, while the sum is 59.

The square root of 8548448477 is about 92457.8199883601. The cubic root of 8548448477 is about 2044.6976577314.

The spelling of 8548448477 in words is "eight billion, five hundred forty-eight million, four hundred forty-eight thousand, four hundred seventy-seven".