9662997885959 has 4 divisors (see below), whose sum is σ = 10541452239240. Its totient is φ = 8784543532680.

The previous prime is 9662997885901. The next prime is 9662997885973. The reversal of 9662997885959 is 9595887992669.

9662997885959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9662997885959 - 2¹² = 9662997881863 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 (9662997885059) 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, 439227176624 + ... + 439227176645.

It is an arithmetic number, because the mean of its divisors is an integer number (2635363059810).

Almost surely, 2^{9662997885959} is an apocalyptic number.

9662997885959 is a deficient number, since it is larger than the sum of its proper divisors (878454353281).

9662997885959 is a wasteful number, since it uses less digits than its factorization.

9662997885959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878454353280.

The product of its digits is 47617113600, while the sum is 92.

The spelling of 9662997885959 in words is "nine trillion, six hundred sixty-two billion, nine hundred ninety-seven million, eight hundred eighty-five thousand, nine hundred fifty-nine".