878994743 has 4 divisors (see below), whose sum is σ = 958903368. Its totient is φ = 799086120.

The previous prime is 878994719. The next prime is 878994751. The reversal of 878994743 is 347499878.

878994743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 878994743 - 2¹⁸ = 878732599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878994773) 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, 39954296 + ... + 39954317.

It is an arithmetic number, because the mean of its divisors is an integer number (239725842).

Almost surely, 2^878994743 is an apocalyptic number.

878994743 is a deficient number, since it is larger than the sum of its proper divisors (79908625).

878994743 is a wasteful number, since it uses less digits than its factorization.

878994743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79908624.

The product of its digits is 12192768, while the sum is 59.

The square root of 878994743 is about 29647.8455035100. The cubic root of 878994743 is about 957.9189378080.

The spelling of 878994743 in words is "eight hundred seventy-eight million, nine hundred ninety-four thousand, seven hundred forty-three".