8488477666 has 8 divisors (see below), whose sum is σ = 12747646044. Its totient is φ = 4239262320.

The previous prime is 8488477661. The next prime is 8488477703. The reversal of 8488477666 is 6667748848.

It can be written as a sum of positive squares in 2 ways, for example, as 6407202025 + 2081275641 = 80045^2 + 45621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 8488477598 and 8488477607.

It is not an unprimeable number, because it can be changed into a prime (8488477661) 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, 2486125 + ... + 2489536.

Almost surely, 2^8488477666 is an apocalyptic number.

8488477666 is a deficient number, since it is larger than the sum of its proper divisors (4259168378).

8488477666 is a wasteful number, since it uses less digits than its factorization.

8488477666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4976516.

The product of its digits is 86704128, while the sum is 64.

The square root of 8488477666 is about 92132.9347519116. The cubic root of 8488477666 is about 2039.9049733065.

The spelling of 8488477666 in words is "eight billion, four hundred eighty-eight million, four hundred seventy-seven thousand, six hundred sixty-six".