11877838496838 has 48 divisors (see below), whose sum is σ = 26624752923600. Its totient is φ = 3822463794240.

The previous prime is 11877838496837. The next prime is 11877838496851. The reversal of 11877838496838 is 83869483877811.

11877838496838 is a `hidden beast` number, since 1 + 1 + 8 + 7 + 78 + 384 + 96 + 83 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11877838496837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6110028 + ... + 7815888.

It is an arithmetic number, because the mean of its divisors is an integer number (554682352575).

Almost surely, 2^{11877838496838} is an apocalyptic number.

11877838496838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11877838496838 is an abundant number, since it is smaller than the sum of its proper divisors (14746914426762).

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

11877838496838 is a wasteful number, since it uses less digits than its factorization.

11877838496838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719237 (or 1719234 counting only the distinct ones).

The product of its digits is 3121348608, while the sum is 81.

The spelling of 11877838496838 in words is "eleven trillion, eight hundred seventy-seven billion, eight hundred thirty-eight million, four hundred ninety-six thousand, eight hundred thirty-eight".