878298854894 has 8 divisors (see below), whose sum is σ = 1329107117040. Its totient is φ = 435263149216.

The previous prime is 878298854869. The next prime is 878298854903. The reversal of 878298854894 is 498458892878.

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

It is a super-2 number, since 2×878298854894² (a number of 25 digits) contains 22 as substring.

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, 1943138834 + ... + 1943139285.

It is an arithmetic number, because the mean of its divisors is an integer number (166138389630).

Almost surely, 2^878298854894 is an apocalyptic number.

878298854894 is a deficient number, since it is larger than the sum of its proper divisors (450808262146).

878298854894 is a wasteful number, since it uses less digits than its factorization.

878298854894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886278234.

The product of its digits is 2972712960, while the sum is 80.

The spelling of 878298854894 in words is "eight hundred seventy-eight billion, two hundred ninety-eight million, eight hundred fifty-four thousand, eight hundred ninety-four".