878412388 has 12 divisors (see below), whose sum is σ = 1756824832. Its totient is φ = 376462440.

The previous prime is 878412371. The next prime is 878412421. The reversal of 878412388 is 883214878.

878412388 is an admirable number.

It is a super-3 number, since 3×878412388³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15685908 + ... + 15685963.

Almost surely, 2^878412388 is an apocalyptic number.

It is an amenable number.

878412388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878412388 is a wasteful number, since it uses less digits than its factorization.

878412388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31371882 (or 31371880 counting only the distinct ones).

The product of its digits is 688128, while the sum is 49.

The square root of 878412388 is about 29638.0226735860. The cubic root of 878412388 is about 957.7073430179.

The spelling of 878412388 in words is "eight hundred seventy-eight million, four hundred twelve thousand, three hundred eighty-eight".