796738639 has 2 divisors, whose sum is σ = 796738640. Its totient is φ = 796738638.

The previous prime is 796738633. The next prime is 796738669. The reversal of 796738639 is 936837697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 796738639 - 2⁷ = 796738511 is a prime.

It is a super-3 number, since 3×796738639³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (796738633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398369319 + 398369320.

It is an arithmetic number, because the mean of its divisors is an integer number (398369320).

Almost surely, 2^796738639 is an apocalyptic number.

796738639 is a deficient number, since it is larger than the sum of its proper divisors (1).

796738639 is an equidigital number, since it uses as much as digits as its factorization.

796738639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10287648, while the sum is 58.

The square root of 796738639 is about 28226.5591066286. The cubic root of 796738639 is about 927.0545571883.

The spelling of 796738639 in words is "seven hundred ninety-six million, seven hundred thirty-eight thousand, six hundred thirty-nine".