810768676 has 27 divisors (see below), whose sum is σ = 1485616251. Its totient is φ = 387132504.

The previous prime is 810768671. The next prime is 810768691. The reversal of 810768676 is 676867018.

The square root of 810768676 is 28474.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (810768671) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1309495 + ... + 1310113.

Almost surely, 2^810768676 is an apocalyptic number.

810768676 is the 28474-th square number.

It is an amenable number.

810768676 is a deficient number, since it is larger than the sum of its proper divisors (674847575).

810768676 is an equidigital number, since it uses as much as digits as its factorization.

810768676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The cubic root of 810768676 is about 932.4645295538.

Multiplying 810768676 by its sum of digits (49), we get a square (39727665124 = 199318²).

The spelling of 810768676 in words is "eight hundred ten million, seven hundred sixty-eight thousand, six hundred seventy-six".