878171340241459 has 16 divisors (see below), whose sum is σ = 975188856410496. Its totient is φ = 784088498793600.

The previous prime is 878171340241453. The next prime is 878171340241511. The reversal of 878171340241459 is 954142043171878.

It is not a de Polignac number, because 878171340241459 - 2²⁹ = 878170803370547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 878171340241459.

It is not an unprimeable number, because it can be changed into a prime (878171340241453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1767627937 + ... + 1768124674.

It is an arithmetic number, because the mean of its divisors is an integer number (60949303525656).

Almost surely, 2^{878171340241459} is an apocalyptic number.

878171340241459 is a deficient number, since it is larger than the sum of its proper divisors (97017516169037).

878171340241459 is a wasteful number, since it uses less digits than its factorization.

878171340241459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535753026.

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 878171340241459 in words is "eight hundred seventy-eight trillion, one hundred seventy-one billion, three hundred forty million, two hundred forty-one thousand, four hundred fifty-nine".