60778311336992 has 54 divisors (see below), whose sum is σ = 121962273502797. Its totient is φ = 29814628744576.

The previous prime is 60778311336971. The next prime is 60778311337013. The reversal of 60778311336992 is 29963311387706.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (60778311336971) and next prime (60778311337013).

It can be written as a sum of positive squares in 2 ways, for example, as 57651765951376 + 3126545385616 = 7592876^2 + 1768204^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5512636.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2337344663 + ... + 2337370665.

Almost surely, 2^{60778311336992} 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 60778311336992

60778311336992 is an abundant number, since it is smaller than the sum of its proper divisors (61183962165805).

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

60778311336992 is an frugal number, since it uses more digits than its factorization.

60778311336992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52122 (or 26058 counting only the distinct ones).

The product of its (nonzero) digits is 61725888, while the sum is 65.

The spelling of 60778311336992 in words is "sixty trillion, seven hundred seventy-eight billion, three hundred eleven million, three hundred thirty-six thousand, nine hundred ninety-two".