9877216967 has 4 divisors (see below), whose sum is σ = 9877535976. Its totient is φ = 9876897960.

The previous prime is 9877216961. The next prime is 9877216969. The reversal of 9877216967 is 7696127789.

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 9877216967 - 2²⁴ = 9860439751 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 (9877216961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107384 + ... + 176877.

It is an arithmetic number, because the mean of its divisors is an integer number (2469383994).

Almost surely, 2^9877216967 is an apocalyptic number.

9877216967 is a deficient number, since it is larger than the sum of its proper divisors (319009).

9877216967 is a wasteful number, since it uses less digits than its factorization.

9877216967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319008.

The product of its digits is 16003008, while the sum is 62.

The square root of 9877216967 is about 99384.1887173206. The cubic root of 9877216967 is about 2145.5807525822.

The spelling of 9877216967 in words is "nine billion, eight hundred seventy-seven million, two hundred sixteen thousand, nine hundred sixty-seven".