878134898 has 16 divisors (see below), whose sum is σ = 1399884120. Its totient is φ = 411699456.

The previous prime is 878134879. The next prime is 878134903. The reversal of 878134898 is 898431878.

878134898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 823862209 + 54272689 = 28703^2 + 7367^2 .

It is a super-2 number, since 2×878134898² = 1542241798170940808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38861 + ... + 57152.

Almost surely, 2^878134898 is an apocalyptic number.

878134898 is a deficient number, since it is larger than the sum of its proper divisors (521749222).

878134898 is a wasteful number, since it uses less digits than its factorization.

878134898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96301.

The product of its digits is 3096576, while the sum is 56.

The square root of 878134898 is about 29633.3409861257. The cubic root of 878134898 is about 957.6064859857.

The spelling of 878134898 in words is "eight hundred seventy-eight million, one hundred thirty-four thousand, eight hundred ninety-eight".