671889759 has 8 divisors (see below), whose sum is σ = 948550320. Its totient is φ = 421577856.

The previous prime is 671889709. The next prime is 671889763. The reversal of 671889759 is 957988176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 671889759 - 2¹² = 671885663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671889709) 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, 6587104 + ... + 6587205.

It is an arithmetic number, because the mean of its divisors is an integer number (118568790).

Almost surely, 2^671889759 is an apocalyptic number.

671889759 is a deficient number, since it is larger than the sum of its proper divisors (276660561).

671889759 is a wasteful number, since it uses less digits than its factorization.

671889759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13174329.

The product of its digits is 7620480, while the sum is 60.

The square root of 671889759 is about 25920.8363869687. The cubic root of 671889759 is about 875.8559282779.

The spelling of 671889759 in words is "six hundred seventy-one million, eight hundred eighty-nine thousand, seven hundred fifty-nine".