82639627 has 12 divisors (see below), whose sum is σ = 96599496. Its totient is φ = 70489440.

The previous prime is 82639603. The next prime is 82639637. The reversal of 82639627 is 72693628.

82639627 is nontrivially palindromic in base 15.

It is a de Polignac number, because none of the positive numbers 2^k-82639627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82639637) 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, 6343 + ... + 14335.

It is an arithmetic number, because the mean of its divisors is an integer number (8049958).

Almost surely, 2^82639627 is an apocalyptic number.

82639627 is a deficient number, since it is larger than the sum of its proper divisors (13959869).

82639627 is a wasteful number, since it uses less digits than its factorization.

82639627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8218 (or 8211 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 82639627 is about 9090.6340262932. The cubic root of 82639627 is about 435.5748369913.

The spelling of 82639627 in words is "eighty-two million, six hundred thirty-nine thousand, six hundred twenty-seven".