878739140000 has 60 divisors (see below), whose sum is σ = 2161830144474. Its totient is φ = 351495648000.

The previous prime is 878739139997. The next prime is 878739140003. The reversal of 878739140000 is 41937878.

878739140000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (878739139997) and next prime (878739140003).

It can be written as a sum of positive squares in 5 ways, for example, as 51636199696 + 827102940304 = 227236^2 + 909452^2 .

It is not an unprimeable number, because it can be changed into a prime (878739140003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21948479 + ... + 21988478.

Almost surely, 2^878739140000 is an apocalyptic number.

878739140000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

878739140000 is an abundant number, since it is smaller than the sum of its proper divisors (1283091004474).

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

878739140000 is an equidigital number, since it uses as much as digits as its factorization.

878739140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43936987 (or 43936964 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 878739140000 in words is "eight hundred seventy-eight billion, seven hundred thirty-nine million, one hundred forty thousand".