82782711 has 12 divisors (see below), whose sum is σ = 130445640. Its totient is φ = 50171280.

The previous prime is 82782691. The next prime is 82782719. The reversal of 82782711 is 11728728.

It is a happy number.

It is not a de Polignac number, because 82782711 - 2¹³ = 82774519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82782719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417996 + ... + 418193.

It is an arithmetic number, because the mean of its divisors is an integer number (10870470).

Almost surely, 2^82782711 is an apocalyptic number.

82782711 is a deficient number, since it is larger than the sum of its proper divisors (47662929).

82782711 is a wasteful number, since it uses less digits than its factorization.

82782711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836206 (or 836203 counting only the distinct ones).

The product of its digits is 12544, while the sum is 36.

The square root of 82782711 is about 9098.5004808485. The cubic root of 82782711 is about 435.8260798765.

It can be divided in two parts, 827 and 82711, that added together give a palindrome (83538).

The spelling of 82782711 in words is "eighty-two million, seven hundred eighty-two thousand, seven hundred eleven".