878439582741 has 16 divisors (see below), whose sum is σ = 1338636257408. Its totient is φ = 501942355200.

The previous prime is 878439582679. The next prime is 878439582749. The reversal of 878439582741 is 147285934878.

It is not a de Polignac number, because 878439582741 - 2¹⁵ = 878439549973 is a prime.

It is a super-2 number, since 2×878439582741² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878439582749) 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, 491200 + ... + 1413561.

It is an arithmetic number, because the mean of its divisors is an integer number (83664766088).

Almost surely, 2^878439582741 is an apocalyptic number.

It is an amenable number.

878439582741 is a deficient number, since it is larger than the sum of its proper divisors (460196674667).

878439582741 is a wasteful number, since it uses less digits than its factorization.

878439582741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926732.

The product of its digits is 108380160, while the sum is 66.

The spelling of 878439582741 in words is "eight hundred seventy-eight billion, four hundred thirty-nine million, five hundred eighty-two thousand, seven hundred forty-one".