20085878292479 has 8 divisors (see below), whose sum is σ = 20131627548672. Its totient is φ = 20040130878040.

The previous prime is 20085878292437. The next prime is 20085878292481. The reversal of 20085878292479 is 97429287858002.

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 20085878292479 - 2²⁸ = 20085609857023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20085878292409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22700684 + ... + 23568894.

It is an arithmetic number, because the mean of its divisors is an integer number (2516453443584).

Almost surely, 2^{20085878292479} is an apocalyptic number.

20085878292479 is a deficient number, since it is larger than the sum of its proper divisors (45749256193).

20085878292479 is an equidigital number, since it uses as much as digits as its factorization.

20085878292479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920877.

The product of its (nonzero) digits is 325140480, while the sum is 71.

The spelling of 20085878292479 in words is "twenty trillion, eighty-five billion, eight hundred seventy-eight million, two hundred ninety-two thousand, four hundred seventy-nine".