1387172358888 has 128 divisors (see below), whose sum is σ = 3678217482240. Its totient is φ = 435238848000.

The previous prime is 1387172358877. The next prime is 1387172358907. The reversal of 1387172358888 is 8888532717831.

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, 10028131 + ... + 10165517.

It is an arithmetic number, because the mean of its divisors is an integer number (28736074080).

Almost surely, 2^{1387172358888} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1387172358888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1839108741120).

1387172358888 is an abundant number, since it is smaller than the sum of its proper divisors (2291045123352).

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

1387172358888 is a wasteful number, since it uses less digits than its factorization.

1387172358888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137799 (or 137795 counting only the distinct ones).

The product of its digits is 144506880, while the sum is 69.

The spelling of 1387172358888 in words is "one trillion, three hundred eighty-seven billion, one hundred seventy-two million, three hundred fifty-eight thousand, eight hundred eighty-eight".