671327132276 has 24 divisors (see below), whose sum is σ = 1206610329960. Its totient is φ = 326581863552.

The previous prime is 671327132263. The next prime is 671327132291. The reversal of 671327132276 is 672231723176.

671327132276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 370613088400 + 300714043876 = 608780^2 + 548374^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 671327132276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9375506 + ... + 9446838.

It is an arithmetic number, because the mean of its divisors is an integer number (50275430415).

Almost surely, 2^671327132276 is an apocalyptic number.

It is an amenable number.

671327132276 is a deficient number, since it is larger than the sum of its proper divisors (535283197684).

671327132276 is a wasteful number, since it uses less digits than its factorization.

671327132276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134963 (or 134961 counting only the distinct ones).

The product of its digits is 889056, while the sum is 47.

The spelling of 671327132276 in words is "six hundred seventy-one billion, three hundred twenty-seven million, one hundred thirty-two thousand, two hundred seventy-six".