9992865634479 has 24 divisors (see below), whose sum is σ = 17765094462752. Its totient is φ = 5270962092480.

The previous prime is 9992865634403. The next prime is 9992865634501. The reversal of 9992865634479 is 9744365682999.

9992865634479 is a `hidden beast` number, since 9 + 9 + 9 + 2 + 8 + 6 + 563 + 4 + 47 + 9 = 666.

9992865634479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9992865634479 - 2¹² = 9992865630383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9992865634398 and 9992865634407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9992865634379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6100649752 + ... + 6100651389.

Almost surely, 2^{9992865634479} is an apocalyptic number.

9992865634479 is a deficient number, since it is larger than the sum of its proper divisors (7772228828273).

9992865634479 is a wasteful number, since it uses less digits than its factorization.

9992865634479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12201301167 (or 12201301164 counting only the distinct ones).

The product of its digits is 6348948480, while the sum is 81.

The spelling of 9992865634479 in words is "nine trillion, nine hundred ninety-two billion, eight hundred sixty-five million, six hundred thirty-four thousand, four hundred seventy-nine".