992559680 has 112 divisors (see below), whose sum is σ = 2756611200. Its totient is φ = 340268544.

The previous prime is 992559661. The next prime is 992559683. The reversal of 992559680 is 86955299.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (992559683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105239 + ... + 114281.

It is an arithmetic number, because the mean of its divisors is an integer number (24612600).

Almost surely, 2^992559680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 992559680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378305600).

992559680 is an abundant number, since it is smaller than the sum of its proper divisors (1764051520).

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

992559680 is an equidigital number, since it uses as much as digits as its factorization.

992559680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9081 (or 9057 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 53.

The square root of 992559680 is about 31504.9151720807. The cubic root of 992559680 is about 997.5137168525.

The spelling of 992559680 in words is "nine hundred ninety-two million, five hundred fifty-nine thousand, six hundred eighty".