82739911 has 8 divisors (see below), whose sum is σ = 83406960. Its totient is φ = 82075968.

The previous prime is 82739897. The next prime is 82739953. The reversal of 82739911 is 11993728.

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 82739911 - 2⁹ = 82739399 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 (82739971) 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, 87835 + ... + 88771.

It is an arithmetic number, because the mean of its divisors is an integer number (10425870).

Almost surely, 2^82739911 is an apocalyptic number.

82739911 is a deficient number, since it is larger than the sum of its proper divisors (667049).

82739911 is a wasteful number, since it uses less digits than its factorization.

82739911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553.

The product of its digits is 27216, while the sum is 40.

The square root of 82739911 is about 9096.1481408341. The cubic root of 82739911 is about 435.7509572186.

The spelling of 82739911 in words is "eighty-two million, seven hundred thirty-nine thousand, nine hundred eleven".