8480357657 has 2 divisors, whose sum is σ = 8480357658. Its totient is φ = 8480357656.

The previous prime is 8480357603. The next prime is 8480357663. The reversal of 8480357657 is 7567530848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7485018256 + 995339401 = 86516^2 + 31549^2 .

It is a cyclic number.

It is not a de Polignac number, because 8480357657 - 2¹² = 8480353561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8480357599 and 8480357608.

It is not a weakly prime, because it can be changed into another prime (8480327657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240178828 + 4240178829.

It is an arithmetic number, because the mean of its divisors is an integer number (4240178829).

Almost surely, 2^8480357657 is an apocalyptic number.

It is an amenable number.

8480357657 is a deficient number, since it is larger than the sum of its proper divisors (1).

8480357657 is an equidigital number, since it uses as much as digits as its factorization.

8480357657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The square root of 8480357657 is about 92088.8573987103. The cubic root of 8480357657 is about 2039.2543135973.

The spelling of 8480357657 in words is "eight billion, four hundred eighty million, three hundred fifty-seven thousand, six hundred fifty-seven".