797377792 has 72 divisors (see below), whose sum is σ = 1717560936. Its totient is φ = 368050176.

The previous prime is 797377781. The next prime is 797377793. The reversal of 797377792 is 297773797.

It can be written as a sum of positive squares in 4 ways, for example, as 79995136 + 717382656 = 8944^2 + 26784^2 .

It is a super-2 number, since 2×797377792² = 1271622686349590528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797377793) 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 7 ways as a sum of consecutive naturals, for example, 228928 + ... + 232384.

It is an arithmetic number, because the mean of its divisors is an integer number (23855013).

Almost surely, 2^797377792 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 797377792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (858780468).

797377792 is an abundant number, since it is smaller than the sum of its proper divisors (920183144).

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

797377792 is a wasteful number, since it uses less digits than its factorization.

797377792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543 (or 3529 counting only the distinct ones).

The product of its digits is 8168202, while the sum is 58.

The square root of 797377792 is about 28237.8786738664. The cubic root of 797377792 is about 927.3023889106.

The spelling of 797377792 in words is "seven hundred ninety-seven million, three hundred seventy-seven thousand, seven hundred ninety-two".