796386781 has 8 divisors (see below), whose sum is σ = 817793144. Its totient is φ = 775249920.

The previous prime is 796386763. The next prime is 796386793. The reversal of 796386781 is 187683697.

It can be written as a sum of positive squares in 4 ways, for example, as 7338681 + 789048100 = 2709^2 + 28090^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 796386781 - 2⁵ = 796386749 is a prime.

It is a super-2 number, since 2×796386781² = 1268463809903083922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (796386751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61380 + ... + 73213.

It is an arithmetic number, because the mean of its divisors is an integer number (102224143).

Almost surely, 2^796386781 is an apocalyptic number.

It is an amenable number.

796386781 is a deficient number, since it is larger than the sum of its proper divisors (21406363).

796386781 is a wasteful number, since it uses less digits than its factorization.

796386781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134751.

The product of its digits is 3048192, while the sum is 55.

The square root of 796386781 is about 28220.3256714022. The cubic root of 796386781 is about 926.9180675977.

The spelling of 796386781 in words is "seven hundred ninety-six million, three hundred eighty-six thousand, seven hundred eighty-one".