38747217552 has 80 divisors (see below), whose sum is σ = 102848333952. Its totient is φ = 12561039360.

The previous prime is 38747217499. The next prime is 38747217563. The reversal of 38747217552 is 25571274783.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 38747217495 and 38747217504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6136477 + ... + 6142787.

Almost surely, 2^38747217552 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 38747217552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51424166976).

38747217552 is an abundant number, since it is smaller than the sum of its proper divisors (64101116400).

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

38747217552 is a wasteful number, since it uses less digits than its factorization.

38747217552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9816 (or 9810 counting only the distinct ones).

The product of its digits is 3292800, while the sum is 51.

The spelling of 38747217552 in words is "thirty-eight billion, seven hundred forty-seven million, two hundred seventeen thousand, five hundred fifty-two".