878854355713 has 4 divisors (see below), whose sum is σ = 883934438868. Its totient is φ = 873774272560.

The previous prime is 878854355711. The next prime is 878854355737. The reversal of 878854355713 is 317553458878.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 795785316624 + 83069039089 = 892068^2 + 288217^2 .

It is a cyclic number.

It is not a de Polignac number, because 878854355713 - 2¹ = 878854355711 is a prime.

It is a super-3 number, since 3×878854355713³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (878854355711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2540041318 + ... + 2540041663.

It is an arithmetic number, because the mean of its divisors is an integer number (220983609717).

Almost surely, 2^878854355713 is an apocalyptic number.

It is an amenable number.

878854355713 is a deficient number, since it is larger than the sum of its proper divisors (5080083155).

878854355713 is a wasteful number, since it uses less digits than its factorization.

878854355713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080083154.

The product of its digits is 112896000, while the sum is 64.

The spelling of 878854355713 in words is "eight hundred seventy-eight billion, eight hundred fifty-four million, three hundred fifty-five thousand, seven hundred thirteen".