4147397887536 has 400 divisors, whose sum is σ = 12942354374400. Its totient is φ = 1278265038336.

The previous prime is 4147397887519. The next prime is 4147397887573. The reversal of 4147397887536 is 6357887937414.

4147397887536 is a `hidden beast` number, since 4 + 1 + 4 + 7 + 3 + 9 + 7 + 8 + 87 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 179817541 + ... + 179840603.

It is an arithmetic number, because the mean of its divisors is an integer number (32355885936).

Almost surely, 2^{4147397887536} 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 4147397887536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6471177187200).

4147397887536 is an abundant number, since it is smaller than the sum of its proper divisors (8794956486864).

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

4147397887536 is a wasteful number, since it uses less digits than its factorization.

4147397887536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23278 (or 23263 counting only the distinct ones).

The product of its digits is 853493760, while the sum is 72.

The spelling of 4147397887536 in words is "four trillion, one hundred forty-seven billion, three hundred ninety-seven million, eight hundred eighty-seven thousand, five hundred thirty-six".