878405094 has 32 divisors (see below), whose sum is σ = 2230871040. Its totient is φ = 250972776.

The previous prime is 878405081. The next prime is 878405111. The reversal of 878405094 is 490504878.

It is a super-3 number, since 3×878405094³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161534 + ... + 1162289.

It is an arithmetic number, because the mean of its divisors is an integer number (69714720).

Almost surely, 2^878405094 is an apocalyptic number.

878405094 is an abundant number, since it is smaller than the sum of its proper divisors (1352465946).

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

878405094 is a wasteful number, since it uses less digits than its factorization.

878405094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323841 (or 2323835 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 878405094 is about 29637.8996219368. The cubic root of 878405094 is about 957.7046921989.

The spelling of 878405094 in words is "eight hundred seventy-eight million, four hundred five thousand, ninety-four".