696820826 has 8 divisors (see below), whose sum is σ = 1125633684. Its totient is φ = 321609600.

The previous prime is 696820823. The next prime is 696820849. The reversal of 696820826 is 628028696.

It can be written as a sum of positive squares in 2 ways, for example, as 670861801 + 25959025 = 25901^2 + 5095^2 .

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

It is not an unprimeable number, because it can be changed into a prime (696820823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13400375 + ... + 13400426.

Almost surely, 2^696820826 is an apocalyptic number.

696820826 is a deficient number, since it is larger than the sum of its proper divisors (428812858).

696820826 is a wasteful number, since it uses less digits than its factorization.

696820826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26800816.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 696820826 is about 26397.3639971873. The cubic root of 696820826 is about 886.5577705286.

The spelling of 696820826 in words is "six hundred ninety-six million, eight hundred twenty thousand, eight hundred twenty-six".