816769058 has 16 divisors (see below), whose sum is σ = 1401417600. Its totient is φ = 349733376.

The previous prime is 816769027. The next prime is 816769073. The reversal of 816769058 is 850967618.

It is a happy number.

It is a super-2 number, since 2×816769058² = 1334223388212414728, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 816768997 and 816769015.

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, 9158 + ... + 41441.

It is an arithmetic number, because the mean of its divisors is an integer number (87588600).

Almost surely, 2^816769058 is an apocalyptic number.

816769058 is a deficient number, since it is larger than the sum of its proper divisors (584648542).

816769058 is a wasteful number, since it uses less digits than its factorization.

816769058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51761.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 816769058 is about 28579.1717514696. The cubic root of 816769058 is about 934.7592230826.

The spelling of 816769058 in words is "eight hundred sixteen million, seven hundred sixty-nine thousand, fifty-eight".