878005340 has 12 divisors (see below), whose sum is σ = 1843811256. Its totient is φ = 351202128.

The previous prime is 878005277. The next prime is 878005357. The reversal of 878005340 is 43500878.

It is a self number, because there is not a number n which added to its sum of digits gives 878005340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21950114 + ... + 21950153.

It is an arithmetic number, because the mean of its divisors is an integer number (153650938).

Almost surely, 2^878005340 is an apocalyptic number.

It is an amenable number.

878005340 is an abundant number, since it is smaller than the sum of its proper divisors (965805916).

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

878005340 is a wasteful number, since it uses less digits than its factorization.

878005340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43900276 (or 43900274 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 878005340 is about 29631.1548880566. The cubic root of 878005340 is about 957.5593893178.

The spelling of 878005340 in words is "eight hundred seventy-eight million, five thousand, three hundred forty".