82168795801 has 3 divisors (see below), whose sum is σ = 82169082453. Its totient is φ = 82168509150.

The previous prime is 82168795799. The next prime is 82168795897. The reversal of 82168795801 is 10859786128.

The square root of 82168795801 is 286651.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 82168795801 - 2¹ = 82168795799 is a prime.

It is a super-2 number, since 2×82168795801² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82168793801) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 143326 + ... + 429976.

It is an arithmetic number, because the mean of its divisors is an integer number (27389694151).

Almost surely, 2^82168795801 is an apocalyptic number.

82168795801 is the 286651-st square number.

82168795801 is the 143326-th centered octagonal number.

It is an amenable number.

82168795801 is a deficient number, since it is larger than the sum of its proper divisors (286652).

82168795801 is an frugal number, since it uses more digits than its factorization.

82168795801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573302 (or 286651 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 55.

It can be divided in two parts, 82168 and 795801, that added together give a square (877969 = 937²).

The spelling of 82168795801 in words is "eighty-two billion, one hundred sixty-eight million, seven hundred ninety-five thousand, eight hundred one".