82973311 has 8 divisors (see below), whose sum is σ = 88086960. Its totient is φ = 77885568.

The previous prime is 82973309. The next prime is 82973327. The reversal of 82973311 is 11337928.

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

It is not a de Polignac number, because 82973311 - 2¹ = 82973309 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 (82973911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340 + ... + 12886.

It is an arithmetic number, because the mean of its divisors is an integer number (11010870).

Almost surely, 2^82973311 is an apocalyptic number.

82973311 is a deficient number, since it is larger than the sum of its proper divisors (5113649).

82973311 is a wasteful number, since it uses less digits than its factorization.

82973311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12953.

The product of its digits is 9072, while the sum is 34.

The square root of 82973311 is about 9108.9687122089. The cubic root of 82973311 is about 436.1603073926.

The spelling of 82973311 in words is "eighty-two million, nine hundred seventy-three thousand, three hundred eleven".