60778557690120 has 48 divisors (see below), whose sum is σ = 197530312494060. Its totient is φ = 16207615383936.

The previous prime is 60778557690119. The next prime is 60778557690143. The reversal of 60778557690120 is 2109675587706.

60778557690120 is a `hidden beast` number, since 6 + 0 + 7 + 7 + 8 + 557 + 69 + 0 + 12 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55847253502404 + 4931304187716 = 7473102^2 + 2220654^2 .

It is a super-4 number, since 4×60778557690120⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84414663099 + ... + 84414663818.

Almost surely, 2^{60778557690120} is an apocalyptic number.

60778557690120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60778557690120 is an abundant number, since it is smaller than the sum of its proper divisors (136751754803940).

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

60778557690120 is a wasteful number, since it uses less digits than its factorization.

60778557690120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168829326934 (or 168829326927 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 63.

The spelling of 60778557690120 in words is "sixty trillion, seven hundred seventy-eight billion, five hundred fifty-seven million, six hundred ninety thousand, one hundred twenty".