797402487312 has 200 divisors, whose sum is σ = 2402770477976. Its totient is φ = 255073204224.

The previous prime is 797402487293. The next prime is 797402487337. The reversal of 797402487312 is 213784204797.

797402487312 is a `hidden beast` number, since 7 + 97 + 40 + 2 + 487 + 31 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 186904040976 + 610498446336 = 432324^2 + 781344^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3386598 + ... + 3614394.

Almost surely, 2^797402487312 is an apocalyptic number.

797402487312 is a gapful number since it is divisible by the number (72) 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 797402487312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1201385238988).

797402487312 is an abundant number, since it is smaller than the sum of its proper divisors (1605367990664).

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

797402487312 is a wasteful number, since it uses less digits than its factorization.

797402487312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227927 (or 227912 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 797402487312 in words is "seven hundred ninety-seven billion, four hundred two million, four hundred eighty-seven thousand, three hundred twelve".