963663667 has 4 divisors (see below), whose sum is σ = 966762576. Its totient is φ = 960564760.

The previous prime is 963663653. The next prime is 963663671. The reversal of 963663667 is 766366369.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 963663667 - 2⁷ = 963663539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (963663167) 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, 1548988 + ... + 1549609.

It is an arithmetic number, because the mean of its divisors is an integer number (241690644).

Almost surely, 2^963663667 is an apocalyptic number.

963663667 is a deficient number, since it is larger than the sum of its proper divisors (3098909).

963663667 is a wasteful number, since it uses less digits than its factorization.

963663667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098908.

The product of its digits is 4408992, while the sum is 52.

The square root of 963663667 is about 31042.9326417463. The cubic root of 963663667 is about 987.7381505840.

The spelling of 963663667 in words is "nine hundred sixty-three million, six hundred sixty-three thousand, six hundred sixty-seven".