671159763 has 20 divisors (see below), whose sum is σ = 1005665848. Its totient is φ = 446070240.

The previous prime is 671159717. The next prime is 671159809. The reversal of 671159763 is 367951176.

It is an interprime number because it is at equal distance from previous prime (671159717) and next prime (671159809).

It is not a de Polignac number, because 671159763 - 2¹⁰ = 671158739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671159263) 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 19 ways as a sum of consecutive naturals, for example, 14295 + ... + 39327.

Almost surely, 2^671159763 is an apocalyptic number.

671159763 is a deficient number, since it is larger than the sum of its proper divisors (334506085).

671159763 is a wasteful number, since it uses less digits than its factorization.

671159763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25376 (or 25367 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 671159763 is about 25906.7513015430. The cubic root of 671159763 is about 875.5386128202.

The spelling of 671159763 in words is "six hundred seventy-one million, one hundred fifty-nine thousand, seven hundred sixty-three".