2378272886805 has 64 divisors (see below), whose sum is σ = 3853495503360. Its totient is φ = 1252401024000.

The previous prime is 2378272886779. The next prime is 2378272886813. The reversal of 2378272886805 is 5086882728732.

It is not a de Polignac number, because 2378272886805 - 2¹² = 2378272882709 is a prime.

It is a super-2 number, since 2×2378272886805² (a number of 26 digits) contains 22 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 63 ways as a sum of consecutive naturals, for example, 1329385851 + ... + 1329387639.

It is an arithmetic number, because the mean of its divisors is an integer number (60210867240).

Almost surely, 2^{2378272886805} is an apocalyptic number.

It is an amenable number.

2378272886805 is a deficient number, since it is larger than the sum of its proper divisors (1475222616555).

2378272886805 is a wasteful number, since it uses less digits than its factorization.

2378272886805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822.

The product of its (nonzero) digits is 144506880, while the sum is 66.

The spelling of 2378272886805 in words is "two trillion, three hundred seventy-eight billion, two hundred seventy-two million, eight hundred eighty-six thousand, eight hundred five".