796871521 has 4 divisors (see below), whose sum is σ = 798578352. Its totient is φ = 795164692.

The previous prime is 796871513. The next prime is 796871539. The reversal of 796871521 is 125178697.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 125178697 = 7 ⋅17882671.

It is a cyclic number.

It is not a de Polignac number, because 796871521 - 2³ = 796871513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (796871021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 852715 + ... + 853648.

It is an arithmetic number, because the mean of its divisors is an integer number (199644588).

Almost surely, 2^796871521 is an apocalyptic number.

It is an amenable number.

796871521 is a deficient number, since it is larger than the sum of its proper divisors (1706831).

796871521 is a wasteful number, since it uses less digits than its factorization.

796871521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706830.

The product of its digits is 211680, while the sum is 46.

The square root of 796871521 is about 28228.9128554395. The cubic root of 796871521 is about 927.1060931248.

The spelling of 796871521 in words is "seven hundred ninety-six million, eight hundred seventy-one thousand, five hundred twenty-one".