80774300640000 has 720 divisors, whose sum is σ = 293478622778880. Its totient is φ = 19553495040000.

The previous prime is 80774300639957. The next prime is 80774300640013. The reversal of 80774300640000 is 4600347708.

It is a happy number.

It is a super-2 number, since 2×80774300640000² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3796309362 + ... + 3796330638.

It is an arithmetic number, because the mean of its divisors is an integer number (407609198304).

Almost surely, 2^{80774300640000} is an apocalyptic number.

80774300640000 is a gapful number since it is divisible by the number (80) 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 80774300640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146739311389440).

80774300640000 is an abundant number, since it is smaller than the sum of its proper divisors (212704322138880).

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

80774300640000 is a wasteful number, since it uses less digits than its factorization.

80774300640000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22046 (or 22017 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

Adding to 80774300640000 its reverse (4600347708), we get a palindrome (80778900987708).

The spelling of 80774300640000 in words is "eighty trillion, seven hundred seventy-four billion, three hundred million, six hundred forty thousand".