878642936443 has 8 divisors (see below), whose sum is σ = 902912613120. Its totient is φ = 854508467520.

The previous prime is 878642936441. The next prime is 878642936453. The reversal of 878642936443 is 344639246878.

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 878642936443 - 2¹ = 878642936441 is a prime.

It is a super-2 number, since 2×878642936443² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (878642936441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33788763 + ... + 33814756.

It is an arithmetic number, because the mean of its divisors is an integer number (112864076640).

Almost surely, 2^878642936443 is an apocalyptic number.

878642936443 is a deficient number, since it is larger than the sum of its proper divisors (24269676677).

878642936443 is a wasteful number, since it uses less digits than its factorization.

878642936443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67603877.

The product of its digits is 167215104, while the sum is 64.

The spelling of 878642936443 in words is "eight hundred seventy-eight billion, six hundred forty-two million, nine hundred thirty-six thousand, four hundred forty-three".