813080830 has 16 divisors (see below), whose sum is σ = 1514013120. Its totient is φ = 314017312.

The previous prime is 813080753. The next prime is 813080839. The reversal of 813080830 is 38080318.

It is a super-2 number, since 2×813080830² = 1322200872226977800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 813080792 and 813080801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813080839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1401574 + ... + 1402153.

It is an arithmetic number, because the mean of its divisors is an integer number (94625820).

Almost surely, 2^813080830 is an apocalyptic number.

813080830 is a deficient number, since it is larger than the sum of its proper divisors (700932290).

813080830 is a wasteful number, since it uses less digits than its factorization.

813080830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803763.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 813080830 is about 28514.5722394708. The cubic root of 813080830 is about 933.3500905438.

The spelling of 813080830 in words is "eight hundred thirteen million, eighty thousand, eight hundred thirty".