60717728394 has 72 divisors (see below), whose sum is σ = 139935826368. Its totient is φ = 19023212160.

The previous prime is 60717728371. The next prime is 60717728441. The reversal of 60717728394 is 49382771706.

60717728394 is a `hidden beast` number, since 60 + 7 + 177 + 28 + 394 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 60717728394.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4086559 + ... + 4101389.

It is an arithmetic number, because the mean of its divisors is an integer number (1943553144).

Almost surely, 2^60717728394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60717728394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69967913184).

60717728394 is an abundant number, since it is smaller than the sum of its proper divisors (79218097974).

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

60717728394 is a wasteful number, since it uses less digits than its factorization.

60717728394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15660 (or 15640 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 60717728394 in words is "sixty billion, seven hundred seventeen million, seven hundred twenty-eight thousand, three hundred ninety-four".