38812171547856 has 160 divisors (see below), whose sum is σ = 119575446681600. Its totient is φ = 10606606889472.

The previous prime is 38812171547827. The next prime is 38812171547869. The reversal of 38812171547856 is 65874517121883.

It is a super-3 number, since 3×38812171547856³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210874686 + ... + 211058658.

It is an arithmetic number, because the mean of its divisors is an integer number (747346541760).

Almost surely, 2^{38812171547856} is an apocalyptic number.

It is an amenable number.

38812171547856 is an abundant number, since it is smaller than the sum of its proper divisors (80763275133744).

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

38812171547856 is a wasteful number, since it uses less digits than its factorization.

38812171547856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211313 (or 211307 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 66.

The spelling of 38812171547856 in words is "thirty-eight trillion, eight hundred twelve billion, one hundred seventy-one million, five hundred forty-seven thousand, eight hundred fifty-six".