814200005 has 4 divisors (see below), whose sum is σ = 977040012. Its totient is φ = 651360000.

The previous prime is 814199993. The next prime is 814200019. The reversal of 814200005 is 500002418.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 543169636 + 271030369 = 23306^2 + 16463^2 .

It is a de Polignac number, because none of the positive numbers 2^k-814200005 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 814200005.

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, 81419996 + ... + 81420005.

It is an arithmetic number, because the mean of its divisors is an integer number (244260003).

Almost surely, 2^814200005 is an apocalyptic number.

It is an amenable number.

814200005 is a deficient number, since it is larger than the sum of its proper divisors (162840007).

814200005 is a wasteful number, since it uses less digits than its factorization.

814200005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162840006.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 814200005 is about 28534.1901059063. The cubic root of 814200005 is about 933.7781345706.

The spelling of 814200005 in words is "eight hundred fourteen million, two hundred thousand, five".