82939311 has 144 divisors (see below), whose sum is σ = 170299584. Its totient is φ = 38320128.

The previous prime is 82939301. The next prime is 82939319. The reversal of 82939311 is 11393928.

It is not a de Polignac number, because 82939311 - 2⁷ = 82939183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82939319) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2241585 + ... + 2241621.

It is an arithmetic number, because the mean of its divisors is an integer number (1182636).

Almost surely, 2^82939311 is an apocalyptic number.

82939311 is an abundant number, since it is smaller than the sum of its proper divisors (87360273).

82939311 is a wasteful number, since it uses less digits than its factorization.

82939311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 100 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 82939311 is about 9107.1022284808. The cubic root of 82939311 is about 436.1007240708.

The spelling of 82939311 in words is "eighty-two million, nine hundred thirty-nine thousand, three hundred eleven".