813697059 has 32 divisors (see below), whose sum is σ = 1361940480. Its totient is φ = 421340832.

The previous prime is 813697037. The next prime is 813697063. The reversal of 813697059 is 950796318.

It is not a de Polignac number, because 813697059 - 2⁸ = 813696803 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 813696999 and 813697017.

It is not an unprimeable number, because it can be changed into a prime (813697069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35157 + ... + 53510.

It is an arithmetic number, because the mean of its divisors is an integer number (42560640).

Almost surely, 2^813697059 is an apocalyptic number.

813697059 is a deficient number, since it is larger than the sum of its proper divisors (548243421).

813697059 is a wasteful number, since it uses less digits than its factorization.

813697059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88719.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 813697059 is about 28525.3757030473. The cubic root of 813697059 is about 933.5858244463.

The spelling of 813697059 in words is "eight hundred thirteen million, six hundred ninety-seven thousand, fifty-nine".