992804198431 has 8 divisors (see below), whose sum is σ = 1048353767280. Its totient is φ = 937584301248.

The previous prime is 992804198369. The next prime is 992804198453. The reversal of 992804198431 is 134891408299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-992804198431 is a prime.

It is a super-2 number, since 2×992804198431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992804192431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82411726 + ... + 82423771.

It is an arithmetic number, because the mean of its divisors is an integer number (131044220910).

Almost surely, 2^992804198431 is an apocalyptic number.

992804198431 is a deficient number, since it is larger than the sum of its proper divisors (55549568849).

992804198431 is a wasteful number, since it uses less digits than its factorization.

992804198431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164835833.

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 992804198431 in words is "nine hundred ninety-two billion, eight hundred four million, one hundred ninety-eight thousand, four hundred thirty-one".