671320087724 has 96 divisors (see below), whose sum is σ = 1470344520960. Its totient is φ = 263632492800.

The previous prime is 671320087699. The next prime is 671320087733. The reversal of 671320087724 is 427780023176.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 529934 + ... + 1274154.

It is an arithmetic number, because the mean of its divisors is an integer number (15316088760).

Almost surely, 2^671320087724 is an apocalyptic number.

It is an amenable number.

671320087724 is an abundant number, since it is smaller than the sum of its proper divisors (799024433236).

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

671320087724 is a wasteful number, since it uses less digits than its factorization.

671320087724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744351 (or 744349 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 671320087724 in words is "six hundred seventy-one billion, three hundred twenty million, eighty-seven thousand, seven hundred twenty-four".