2645886875775 has 192 divisors, whose sum is σ = 5440196805120. Its totient is φ = 1116744652800.

The previous prime is 2645886875773. The next prime is 2645886875813. The reversal of 2645886875775 is 5775786885462.

2645886875775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2645886875775 - 2¹ = 2645886875773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2645886875775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645886875773) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 13275157 + ... + 13472993.

It is an arithmetic number, because the mean of its divisors is an integer number (28334358360).

Almost surely, 2^{2645886875775} is an apocalyptic number.

2645886875775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2645886875775 is an abundant number, since it is smaller than the sum of its proper divisors (2794309929345).

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

2645886875775 is a wasteful number, since it uses less digits than its factorization.

2645886875775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197946 (or 197941 counting only the distinct ones).

The product of its digits is 6322176000, while the sum is 78.

The spelling of 2645886875775 in words is "two trillion, six hundred forty-five billion, eight hundred eighty-six million, eight hundred seventy-five thousand, seven hundred seventy-five".