812768763410 has 8 divisors (see below), whose sum is σ = 1462983774156. Its totient is φ = 325107505360.

The previous prime is 812768763409. The next prime is 812768763419. The reversal of 812768763410 is 14367867218.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 739949201209 + 72819562201 = 860203^2 + 269851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (812768763419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40638438161 + ... + 40638438180.

Almost surely, 2^812768763410 is an apocalyptic number.

812768763410 is a deficient number, since it is larger than the sum of its proper divisors (650215010746).

812768763410 is a wasteful number, since it uses less digits than its factorization.

812768763410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81276876348.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 812768763410 in words is "eight hundred twelve billion, seven hundred sixty-eight million, seven hundred sixty-three thousand, four hundred ten".