192816797 has 12 divisors (see below), whose sum is σ = 202298460. Its totient is φ = 183763008.

The previous prime is 192816763. The next prime is 192816823. The reversal of 192816797 is 797618291.

It can be written as a sum of positive squares in 2 ways, for example, as 25140196 + 167676601 = 5014^2 + 12949^2 .

It is not a de Polignac number, because 192816797 - 2⁶ = 192816733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192816707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205313 + ... + 206249.

It is an arithmetic number, because the mean of its divisors is an integer number (16858205).

Almost surely, 2^192816797 is an apocalyptic number.

It is an amenable number.

192816797 is a deficient number, since it is larger than the sum of its proper divisors (9481663).

192816797 is an equidigital number, since it uses as much as digits as its factorization.

192816797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1349 counting only the distinct ones).

The product of its digits is 381024, while the sum is 50.

The square root of 192816797 is about 13885.8488037282. The cubic root of 192816797 is about 577.7167437898.

The spelling of 192816797 in words is "one hundred ninety-two million, eight hundred sixteen thousand, seven hundred ninety-seven".