992738487468 has 144 divisors (see below), whose sum is σ = 2924703043584. Its totient is φ = 259759301760.

The previous prime is 992738487449. The next prime is 992738487493. The reversal of 992738487468 is 864784837299.

It is a self number, because there is not a number n which added to its sum of digits gives 992738487468.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 459483 + ... + 1482093.

Almost surely, 2^992738487468 is an apocalyptic number.

992738487468 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 992738487468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1462351521792).

992738487468 is an abundant number, since it is smaller than the sum of its proper divisors (1931964556116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

992738487468 is a wasteful number, since it uses less digits than its factorization.

992738487468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022772 (or 1022763 counting only the distinct ones).

The product of its digits is 1170505728, while the sum is 75.

The spelling of 992738487468 in words is "nine hundred ninety-two billion, seven hundred thirty-eight million, four hundred eighty-seven thousand, four hundred sixty-eight".