816469078 has 16 divisors (see below), whose sum is σ = 1237896000. Its totient is φ = 403849152.

The previous prime is 816469067. The next prime is 816469117. The reversal of 816469078 is 870964618.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 154138 + ... + 159346.

It is an arithmetic number, because the mean of its divisors is an integer number (77368500).

Almost surely, 2^816469078 is an apocalyptic number.

816469078 is a deficient number, since it is larger than the sum of its proper divisors (421426922).

816469078 is a wasteful number, since it uses less digits than its factorization.

816469078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6039.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 816469078 is about 28573.9230418226. The cubic root of 816469078 is about 934.6447707352.

The spelling of 816469078 in words is "eight hundred sixteen million, four hundred sixty-nine thousand, seventy-eight".