671548227888 has 40 divisors (see below), whose sum is σ = 1740963108928. Its totient is φ = 223058417472.

The previous prime is 671548227881. The next prime is 671548227899. The reversal of 671548227888 is 888722845176.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (671548227881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24704770 + ... + 24731937.

Almost surely, 2^671548227888 is an apocalyptic number.

It is an amenable number.

671548227888 is an abundant number, since it is smaller than the sum of its proper divisors (1069414881040).

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

671548227888 is a wasteful number, since it uses less digits than its factorization.

671548227888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49437001 (or 49436995 counting only the distinct ones).

The product of its digits is 96337920, while the sum is 66.

The spelling of 671548227888 in words is "six hundred seventy-one billion, five hundred forty-eight million, two hundred twenty-seven thousand, eight hundred eighty-eight".