816796911 has 32 divisors (see below), whose sum is σ = 1277140480. Its totient is φ = 454616064.

The previous prime is 816796873. The next prime is 816796949. The reversal of 816796911 is 119697618.

It is an interprime number because it is at equal distance from previous prime (816796873) and next prime (816796949).

It is not a de Polignac number, because 816796911 - 2¹⁸ = 816534767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816796951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389955 + ... + 392043.

It is an arithmetic number, because the mean of its divisors is an integer number (39910640).

Almost surely, 2^816796911 is an apocalyptic number.

816796911 is a deficient number, since it is larger than the sum of its proper divisors (460343569).

816796911 is a wasteful number, since it uses less digits than its factorization.

816796911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575.

The product of its digits is 163296, while the sum is 48.

The square root of 816796911 is about 28579.6590427528. The cubic root of 816796911 is about 934.7698485066.

The spelling of 816796911 in words is "eight hundred sixteen million, seven hundred ninety-six thousand, nine hundred eleven".