816973467 has 4 divisors (see below), whose sum is σ = 1089297960. Its totient is φ = 544648976.

The previous prime is 816973459. The next prime is 816973481. The reversal of 816973467 is 764379618.

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

It is a cyclic number.

It is not a de Polignac number, because 816973467 - 2³ = 816973459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (816973447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136162242 + ... + 136162247.

It is an arithmetic number, because the mean of its divisors is an integer number (272324490).

Almost surely, 2^816973467 is an apocalyptic number.

816973467 is a deficient number, since it is larger than the sum of its proper divisors (272324493).

816973467 is a wasteful number, since it uses less digits than its factorization.

816973467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272324492.

The product of its digits is 1524096, while the sum is 51.

The square root of 816973467 is about 28582.7477160612. The cubic root of 816973467 is about 934.8371958620.

The spelling of 816973467 in words is "eight hundred sixteen million, nine hundred seventy-three thousand, four hundred sixty-seven".