8480334557 has 2 divisors, whose sum is σ = 8480334558. Its totient is φ = 8480334556.

The previous prime is 8480334529. The next prime is 8480334559. The reversal of 8480334557 is 7554330848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6846073081 + 1634261476 = 82741^2 + 40426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8480334557 is a prime.

Together with 8480334559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8480334559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240167278 + 4240167279.

It is an arithmetic number, because the mean of its divisors is an integer number (4240167279).

Almost surely, 2^8480334557 is an apocalyptic number.

It is an amenable number.

8480334557 is a deficient number, since it is larger than the sum of its proper divisors (1).

8480334557 is an equidigital number, since it uses as much as digits as its factorization.

8480334557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The square root of 8480334557 is about 92088.7319762847. The cubic root of 8480334557 is about 2039.2524619923.

The spelling of 8480334557 in words is "eight billion, four hundred eighty million, three hundred thirty-four thousand, five hundred fifty-seven".