82703311 has 4 divisors (see below), whose sum is σ = 82937952. Its totient is φ = 82468672.

The previous prime is 82703281. The next prime is 82703323. The reversal of 82703311 is 11330728.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82703311 - 2⁷ = 82703183 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 (82703111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116791 + ... + 117496.

It is an arithmetic number, because the mean of its divisors is an integer number (20734488).

Almost surely, 2^82703311 is an apocalyptic number.

82703311 is a deficient number, since it is larger than the sum of its proper divisors (234641).

82703311 is a wasteful number, since it uses less digits than its factorization.

82703311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234640.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 82703311 is about 9094.1360777151. The cubic root of 82703311 is about 435.6866962631.

The spelling of 82703311 in words is "eighty-two million, seven hundred three thousand, three hundred eleven".