18280079679 has 8 divisors (see below), whose sum is σ = 25433154432. Its totient is φ = 11656862360.

The previous prime is 18280079669. The next prime is 18280079689. The reversal of 18280079679 is 97697008281.

It is an interprime number because it is at equal distance from previous prime (18280079669) and next prime (18280079689).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18280079679 - 2⁴ = 18280079663 is a prime.

It is a super-2 number, since 2×18280079679² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18280079669) 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 7 ways as a sum of consecutive naturals, for example, 132464277 + ... + 132464414.

It is an arithmetic number, because the mean of its divisors is an integer number (3179144304).

Almost surely, 2^18280079679 is an apocalyptic number.

18280079679 is a deficient number, since it is larger than the sum of its proper divisors (7153074753).

18280079679 is a wasteful number, since it uses less digits than its factorization.

18280079679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264928717.

The product of its (nonzero) digits is 3048192, while the sum is 57.

The spelling of 18280079679 in words is "eighteen billion, two hundred eighty million, seventy-nine thousand, six hundred seventy-nine".