671433277 has 4 divisors (see below), whose sum is σ = 672191136. Its totient is φ = 670675420.

The previous prime is 671433271. The next prime is 671433289. The reversal of 671433277 is 772334176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 671433277 - 2⁷ = 671433149 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 (671433271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377599 + ... + 379372.

It is an arithmetic number, because the mean of its divisors is an integer number (168047784).

Almost surely, 2^671433277 is an apocalyptic number.

It is an amenable number.

671433277 is a deficient number, since it is larger than the sum of its proper divisors (757859).

671433277 is an equidigital number, since it uses as much as digits as its factorization.

671433277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757858.

The product of its digits is 148176, while the sum is 40.

The square root of 671433277 is about 25912.0295808723. The cubic root of 671433277 is about 875.6575311257.

The spelling of 671433277 in words is "six hundred seventy-one million, four hundred thirty-three thousand, two hundred seventy-seven".