82195301773 has 8 divisors (see below), whose sum is σ = 88661491128. Its totient is φ = 75749608704.

The previous prime is 82195301759. The next prime is 82195301777. The reversal of 82195301773 is 37710359128.

It can be written as a sum of positive squares in 4 ways, for example, as 123365449 + 82071936324 = 11107^2 + 286482^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82195301773 - 2¹³ = 82195293581 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 (82195301777) 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 7 ways as a sum of consecutive naturals, for example, 5115736 + ... + 5131777.

It is an arithmetic number, because the mean of its divisors is an integer number (11082686391).

Almost surely, 2^82195301773 is an apocalyptic number.

It is an amenable number.

82195301773 is a deficient number, since it is larger than the sum of its proper divisors (6466189355).

82195301773 is a wasteful number, since it uses less digits than its factorization.

82195301773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10248143.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 82195301773 in words is "eighty-two billion, one hundred ninety-five million, three hundred one thousand, seven hundred seventy-three".