3871172735732 has 24 divisors (see below), whose sum is σ = 7079591519616. Its totient is φ = 1850347775808.

The previous prime is 3871172735723. The next prime is 3871172735761. The reversal of 3871172735732 is 2375372711783.

It is a congruent number.

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, 239426153 + ... + 239442320.

It is an arithmetic number, because the mean of its divisors is an integer number (294982979984).

Almost surely, 2^{3871172735732} is an apocalyptic number.

It is an amenable number.

3871172735732 is a deficient number, since it is larger than the sum of its proper divisors (3208418783884).

3871172735732 is a wasteful number, since it uses less digits than its factorization.

3871172735732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478868567 (or 478868565 counting only the distinct ones).

The product of its digits is 10372320, while the sum is 56.

The spelling of 3871172735732 in words is "three trillion, eight hundred seventy-one billion, one hundred seventy-two million, seven hundred thirty-five thousand, seven hundred thirty-two".