82180679 has 12 divisors (see below), whose sum is σ = 98186256. Its totient is φ = 67374912.

The previous prime is 82180673. The next prime is 82180711. The reversal of 82180679 is 97608128.

It is not a de Polignac number, because 82180679 - 2²⁴ = 65403463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82180673) 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, 7394 + ... + 14799.

It is an arithmetic number, because the mean of its divisors is an integer number (8182188).

Almost surely, 2^82180679 is an apocalyptic number.

82180679 is a deficient number, since it is larger than the sum of its proper divisors (16005577).

82180679 is a wasteful number, since it uses less digits than its factorization.

82180679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22246 (or 22223 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 82180679 is about 9065.3559775665. The cubic root of 82180679 is about 434.7670025403.

The spelling of 82180679 in words is "eighty-two million, one hundred eighty thousand, six hundred seventy-nine".