963445671 has 32 divisors (see below), whose sum is σ = 1449327040. Its totient is φ = 640353600.

The previous prime is 963445661. The next prime is 963445687. The reversal of 963445671 is 176544369.

963445671 is a `hidden beast` number, since 9 + 634 + 4 + 5 + 6 + 7 + 1 = 666.

It is not a de Polignac number, because 963445671 - 2⁷ = 963445543 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 (963445661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1314021 + ... + 1314753.

It is an arithmetic number, because the mean of its divisors is an integer number (45291470).

Almost surely, 2^963445671 is an apocalyptic number.

963445671 is a deficient number, since it is larger than the sum of its proper divisors (485881369).

963445671 is an frugal number, since it uses more digits than its factorization.

963445671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355 (or 1337 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 963445671 is about 31039.4212413827. The cubic root of 963445671 is about 987.6636642904.

The spelling of 963445671 in words is "nine hundred sixty-three million, four hundred forty-five thousand, six hundred seventy-one".