878994833782 has 8 divisors (see below), whose sum is σ = 1419914731536. Its totient is φ = 405689923272.

The previous prime is 878994833779. The next prime is 878994833887. The reversal of 878994833782 is 287338499878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 878994833699 and 878994833708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16903746778 + ... + 16903746829.

It is an arithmetic number, because the mean of its divisors is an integer number (177489341442).

Almost surely, 2^878994833782 is an apocalyptic number.

878994833782 is a deficient number, since it is larger than the sum of its proper divisors (540919897754).

878994833782 is a wasteful number, since it uses less digits than its factorization.

878994833782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33807493622.

The product of its digits is 1170505728, while the sum is 76.

The spelling of 878994833782 in words is "eight hundred seventy-eight billion, nine hundred ninety-four million, eight hundred thirty-three thousand, seven hundred eighty-two".