7147229589864 has 896 divisors, whose sum is σ = 26679568285440. Its totient is φ = 1740512157696.

The previous prime is 7147229589859. The next prime is 7147229589911. The reversal of 7147229589864 is 4689859227417.

It is a happy number.

7147229589864 is a `hidden beast` number, since 7 + 1 + 472 + 2 + 9 + 5 + 8 + 98 + 64 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 7147229589792 and 7147229589801.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 478164039 + ... + 478178985.

It is an arithmetic number, because the mean of its divisors is an integer number (29776303890).

Almost surely, 2^{7147229589864} 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 7147229589864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13339784142720).

7147229589864 is an abundant number, since it is smaller than the sum of its proper divisors (19532338695576).

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

7147229589864 is a wasteful number, since it uses less digits than its factorization.

7147229589864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15061 (or 15042 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 72.

The spelling of 7147229589864 in words is "seven trillion, one hundred forty-seven billion, two hundred twenty-nine million, five hundred eighty-nine thousand, eight hundred sixty-four".