80595319992 has 512 divisors, whose sum is σ = 250822656000. Its totient is φ = 21288960000.

The previous prime is 80595319979. The next prime is 80595319997. The reversal of 80595319992 is 29991359508.

It is a super-2 number, since 2×80595319992² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80595319997) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 405001509 + ... + 405001707.

It is an arithmetic number, because the mean of its divisors is an integer number (489888000).

Almost surely, 2^80595319992 is an apocalyptic number.

80595319992 is a gapful number since it is divisible by the number (82) 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 80595319992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125411328000).

80595319992 is an abundant number, since it is smaller than the sum of its proper divisors (170227336008).

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

80595319992 is a wasteful number, since it uses less digits than its factorization.

80595319992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 7873200, while the sum is 60.

The spelling of 80595319992 in words is "eighty billion, five hundred ninety-five million, three hundred nineteen thousand, nine hundred ninety-two".