60778501028 has 60 divisors (see below), whose sum is σ = 124393474380. Its totient is φ = 25982562816.

The previous prime is 60778500953. The next prime is 60778501057. The reversal of 60778501028 is 82010587706.

60778501028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42515140864 + 18263360164 = 206192^2 + 135142^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 60778501028.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3920300 + ... + 3935772.

It is an arithmetic number, because the mean of its divisors is an integer number (2073224573).

Almost surely, 2^60778501028 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 60778501028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62196737190).

60778501028 is an abundant number, since it is smaller than the sum of its proper divisors (63614973352).

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

60778501028 is a wasteful number, since it uses less digits than its factorization.

60778501028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15914 (or 15891 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 60778501028 in words is "sixty billion, seven hundred seventy-eight million, five hundred one thousand, twenty-eight".