13871071776 has 48 divisors (see below), whose sum is σ = 36424370304. Its totient is φ = 4622064384.

The previous prime is 13871071769. The next prime is 13871071793. The reversal of 13871071776 is 67717017831.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266310 + ... + 314106.

It is an arithmetic number, because the mean of its divisors is an integer number (758841048).

Almost surely, 2^13871071776 is an apocalyptic number.

13871071776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13871071776 is an abundant number, since it is smaller than the sum of its proper divisors (22553298528).

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

13871071776 is a wasteful number, since it uses less digits than its factorization.

13871071776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50833 (or 50825 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 48.

The spelling of 13871071776 in words is "thirteen billion, eight hundred seventy-one million, seventy-one thousand, seven hundred seventy-six".