1768448671 has 8 divisors (see below), whose sum is σ = 1940770944. Its totient is φ = 1598052120.

The previous prime is 1768448663. The next prime is 1768448683.

1768448671 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 1768448671 - 2³ = 1768448663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1768448651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479505 + ... + 483178.

It is an arithmetic number, because the mean of its divisors is an integer number (242596368).

Almost surely, 2^1768448671 is an apocalyptic number.

1768448671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1768448671 is a deficient number, since it is larger than the sum of its proper divisors (172322273).

1768448671 is a wasteful number, since it uses less digits than its factorization.

1768448671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962861.

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

The square root of 1768448671 is about 42052.9270206011. The cubic root of 1768448671 is about 1209.2909971107.

The spelling of 1768448671 in words is "one billion, seven hundred sixty-eight million, four hundred forty-eight thousand, six hundred seventy-one".