963871217 has 4 divisors (see below), whose sum is σ = 963972096. Its totient is φ = 963770340.

The previous prime is 963871211. The next prime is 963871229. The reversal of 963871217 is 712178369.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 963871217 - 2⁸ = 963870961 is a prime.

It is a super-2 number, since 2×963871217² = 1858095445922122178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (963871211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34409 + ... + 55782.

It is an arithmetic number, because the mean of its divisors is an integer number (240993024).

Almost surely, 2^963871217 is an apocalyptic number.

It is an amenable number.

963871217 is a deficient number, since it is larger than the sum of its proper divisors (100879).

963871217 is a wasteful number, since it uses less digits than its factorization.

963871217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100878.

The product of its digits is 127008, while the sum is 44.

The square root of 963871217 is about 31046.2754126803. The cubic root of 963871217 is about 987.8090571821.

The spelling of 963871217 in words is "nine hundred sixty-three million, eight hundred seventy-one thousand, two hundred seventeen".