82628135 has 4 divisors (see below), whose sum is σ = 99153768. Its totient is φ = 66102504.

The previous prime is 82628107. The next prime is 82628149. The reversal of 82628135 is 53182628.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82628135 - 2⁶ = 82628071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82628095 and 82628104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8262809 + ... + 8262818.

It is an arithmetic number, because the mean of its divisors is an integer number (24788442).

Almost surely, 2^82628135 is an apocalyptic number.

82628135 is a deficient number, since it is larger than the sum of its proper divisors (16525633).

82628135 is a wasteful number, since it uses less digits than its factorization.

82628135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16525632.

The product of its digits is 23040, while the sum is 35.

The square root of 82628135 is about 9090.0019251923. The cubic root of 82628135 is about 435.5546454752.

Subtracting from 82628135 its sum of digits (35), we obtain a square (82628100 = 9090²).

The spelling of 82628135 in words is "eighty-two million, six hundred twenty-eight thousand, one hundred thirty-five".