2135884270878 has 12 divisors (see below), whose sum is σ = 4627749253608. Its totient is φ = 711961423620.

The previous prime is 2135884270867. The next prime is 2135884270943. The reversal of 2135884270878 is 8780724885312.

2135884270878 is a `hidden beast` number, since 2 + 1 + 3 + 588 + 42 + 7 + 0 + 8 + 7 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59330118618 + ... + 59330118653.

It is an arithmetic number, because the mean of its divisors is an integer number (385645771134).

Almost surely, 2^{2135884270878} is an apocalyptic number.

2135884270878 is an abundant number, since it is smaller than the sum of its proper divisors (2491864982730).

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

2135884270878 is a wasteful number, since it uses less digits than its factorization.

2135884270878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118660237279 (or 118660237276 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 63.

The spelling of 2135884270878 in words is "two trillion, one hundred thirty-five billion, eight hundred eighty-four million, two hundred seventy thousand, eight hundred seventy-eight".