813520676 has 6 divisors (see below), whose sum is σ = 1423661190. Its totient is φ = 406760336.

The previous prime is 813520657. The next prime is 813520681. The reversal of 813520676 is 676025318.

813520676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 744198400 + 69322276 = 27280^2 + 8326^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101690081 + ... + 101690088.

It is an arithmetic number, because the mean of its divisors is an integer number (237276865).

Almost surely, 2^813520676 is an apocalyptic number.

It is an amenable number.

813520676 is a deficient number, since it is larger than the sum of its proper divisors (610140514).

813520676 is a wasteful number, since it uses less digits than its factorization.

813520676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203380173 (or 203380171 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 813520676 is about 28522.2838496499. The cubic root of 813520676 is about 933.5183625794.

The spelling of 813520676 in words is "eight hundred thirteen million, five hundred twenty thousand, six hundred seventy-six".