992357986211 has 4 divisors (see below), whose sum is σ = 992394482424. Its totient is φ = 992321490000.

The previous prime is 992357986157. The next prime is 992357986253. The reversal of 992357986211 is 112689753299.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-992357986211 is a prime.

It is a super-2 number, since 2×992357986211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (992357986261) 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, 18207290 + ... + 18261711.

It is an arithmetic number, because the mean of its divisors is an integer number (248098620606).

Almost surely, 2^992357986211 is an apocalyptic number.

992357986211 is a deficient number, since it is larger than the sum of its proper divisors (36496213).

992357986211 is a wasteful number, since it uses less digits than its factorization.

992357986211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36496212.

The product of its digits is 14696640, while the sum is 62.

The spelling of 992357986211 in words is "nine hundred ninety-two billion, three hundred fifty-seven million, nine hundred eighty-six thousand, two hundred eleven".