42079579207585 has 8 divisors (see below), whose sum is σ = 51727092489576. Its totient is φ = 32842598405760.

The previous prime is 42079579207553. The next prime is 42079579207609. The reversal of 42079579207585 is 58570297597024.

It can be written as a sum of positive squares in 4 ways, for example, as 349749228816 + 41729829978769 = 591396^2 + 6459863^2 .

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

It is not a de Polignac number, because 42079579207585 - 2⁵ = 42079579207553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102633119814 + ... + 102633120223.

It is an arithmetic number, because the mean of its divisors is an integer number (6465886561197).

Almost surely, 2^{42079579207585} is an apocalyptic number.

It is an amenable number.

42079579207585 is a deficient number, since it is larger than the sum of its proper divisors (9647513281991).

42079579207585 is a wasteful number, since it uses less digits than its factorization.

42079579207585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205266240083.

The product of its (nonzero) digits is 444528000, while the sum is 70.

The spelling of 42079579207585 in words is "forty-two trillion, seventy-nine billion, five hundred seventy-nine million, two hundred seven thousand, five hundred eighty-five".