878798011 has 16 divisors (see below), whose sum is σ = 1082502400. Its totient is φ = 694731168.

The previous prime is 878797993. The next prime is 878798021. The reversal of 878798011 is 110897878.

878798011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 878798011 - 2⁹ = 878797499 is a prime.

It is a super-2 number, since 2×878798011² = 1544571888275112242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (878798021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129460 + ... + 136078.

It is an arithmetic number, because the mean of its divisors is an integer number (67656400).

Almost surely, 2^878798011 is an apocalyptic number.

878798011 is a deficient number, since it is larger than the sum of its proper divisors (203704389).

878798011 is a wasteful number, since it uses less digits than its factorization.

878798011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8098.

The product of its (nonzero) digits is 225792, while the sum is 49.

The square root of 878798011 is about 29644.5275050894. The cubic root of 878798011 is about 957.8474670090.

The spelling of 878798011 in words is "eight hundred seventy-eight million, seven hundred ninety-eight thousand, eleven".