82711836 has 36 divisors (see below), whose sum is σ = 209427400. Its totient is φ = 27524448.

The previous prime is 82711831. The next prime is 82711861. The reversal of 82711836 is 63811728.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 82711836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82711831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25050 + ... + 28158.

Almost surely, 2^82711836 is an apocalyptic number.

It is an amenable number.

82711836 is an abundant number, since it is smaller than the sum of its proper divisors (126715564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82711836 is a wasteful number, since it uses less digits than its factorization.

82711836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858 (or 3853 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 82711836 is about 9094.6047742604. The cubic root of 82711836 is about 435.7016658430.

The spelling of 82711836 in words is "eighty-two million, seven hundred eleven thousand, eight hundred thirty-six".