8471661748 has 48 divisors (see below), whose sum is σ = 17137612800. Its totient is φ = 3621473280.

The previous prime is 8471661659. The next prime is 8471661787.

8471661748 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8471661695 and 8471661704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200013 + ... + 1207051.

It is an arithmetic number, because the mean of its divisors is an integer number (357033600).

Almost surely, 2^8471661748 is an apocalyptic number.

It is an amenable number.

8471661748 is an abundant number, since it is smaller than the sum of its proper divisors (8665951052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8471661748 is a wasteful number, since it uses less digits than its factorization.

8471661748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8680 (or 8678 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 52.

The square root of 8471661748 is about 92041.6305157617. The cubic root of 8471661748 is about 2038.5570460443.

The spelling of 8471661748 in words is "eight billion, four hundred seventy-one million, six hundred sixty-one thousand, seven hundred forty-eight".