9962566667 has 4 divisors (see below), whose sum is σ = 9963012360. Its totient is φ = 9962120976.

The previous prime is 9962566657. The next prime is 9962566673. The reversal of 9962566667 is 7666652699.

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 9962566667 - 2¹⁰ = 9962565643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9962566657) 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, 187442 + ... + 234647.

It is an arithmetic number, because the mean of its divisors is an integer number (2490753090).

Almost surely, 2^9962566667 is an apocalyptic number.

9962566667 is a deficient number, since it is larger than the sum of its proper divisors (445693).

9962566667 is a wasteful number, since it uses less digits than its factorization.

9962566667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445692.

The product of its digits is 44089920, while the sum is 62.

The square root of 9962566667 is about 99812.6578495934. The cubic root of 9962566667 is about 2151.7430729870.

The spelling of 9962566667 in words is "nine billion, nine hundred sixty-two million, five hundred sixty-six thousand, six hundred sixty-seven".