671955683 has 8 divisors (see below), whose sum is σ = 786680160. Its totient is φ = 561913920.

The previous prime is 671955671. The next prime is 671955709. The reversal of 671955683 is 386559176.

It is a happy number.

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 671955683 - 2⁴ = 671955667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671955643) 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, 1170368 + ... + 1170941.

It is an arithmetic number, because the mean of its divisors is an integer number (98335020).

Almost surely, 2^671955683 is an apocalyptic number.

671955683 is a deficient number, since it is larger than the sum of its proper divisors (114724477).

671955683 is a wasteful number, since it uses less digits than its factorization.

671955683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341357.

The product of its digits is 1360800, while the sum is 50.

The square root of 671955683 is about 25922.1079968432. The cubic root of 671955683 is about 875.8845728767.

The spelling of 671955683 in words is "six hundred seventy-one million, nine hundred fifty-five thousand, six hundred eighty-three".