813066083 has 16 divisors (see below), whose sum is σ = 844313184. Its totient is φ = 782369280.

The previous prime is 813066073. The next prime is 813066097. The reversal of 813066083 is 380660318.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 813066083 - 2¹⁸ = 812803939 is a prime.

It is a super-2 number, since 2×813066083² = 1322152910649925778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (813066013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2412491 + ... + 2412827.

It is an arithmetic number, because the mean of its divisors is an integer number (52769574).

Almost surely, 2^813066083 is an apocalyptic number.

813066083 is a deficient number, since it is larger than the sum of its proper divisors (31247101).

813066083 is a wasteful number, since it uses less digits than its factorization.

813066083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 813066083 is about 28514.3136512173. The cubic root of 813066083 is about 933.3444477276.

The spelling of 813066083 in words is "eight hundred thirteen million, sixty-six thousand, eighty-three".