82660479 has 16 divisors (see below), whose sum is σ = 123484800. Its totient is φ = 48742560.

The previous prime is 82660463. The next prime is 82660481. The reversal of 82660479 is 97406628.

It is not a de Polignac number, because 82660479 - 2⁴ = 82660463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82660479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82660439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32629 + ... + 35070.

It is an arithmetic number, because the mean of its divisors is an integer number (7717800).

Almost surely, 2^82660479 is an apocalyptic number.

82660479 is a deficient number, since it is larger than the sum of its proper divisors (40824321).

82660479 is a wasteful number, since it uses less digits than its factorization.

82660479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67750.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 82660479 is about 9091.7808486567. The cubic root of 82660479 is about 435.6114693069.

The spelling of 82660479 in words is "eighty-two million, six hundred sixty thousand, four hundred seventy-nine".