812788006 has 8 divisors (see below), whose sum is σ = 1231253424. Its totient is φ = 402370200.

The previous prime is 812787923. The next prime is 812788051. The reversal of 812788006 is 600887218.

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

It is a self number, because there is not a number n which added to its sum of digits gives 812788006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011650 + ... + 2012053.

It is an arithmetic number, because the mean of its divisors is an integer number (153906678).

Almost surely, 2^812788006 is an apocalyptic number.

812788006 is a deficient number, since it is larger than the sum of its proper divisors (418465418).

812788006 is a wasteful number, since it uses less digits than its factorization.

812788006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023806.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 812788006 is about 28509.4371393053. The cubic root of 812788006 is about 933.2380311137.

The spelling of 812788006 in words is "eight hundred twelve million, seven hundred eighty-eight thousand, six".