60277985664 has 128 divisors (see below), whose sum is σ = 172560605280. Its totient is φ = 18533007360.

The previous prime is 60277985629. The next prime is 60277985741. The reversal of 60277985664 is 46658977206.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 60277985598 and 60277985607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7968444 + ... + 7976004.

Almost surely, 2^60277985664 is an apocalyptic number.

60277985664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60277985664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86280302640).

60277985664 is an abundant number, since it is smaller than the sum of its proper divisors (112282619616).

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

60277985664 is a wasteful number, since it uses less digits than its factorization.

60277985664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9188 (or 9176 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 60277985664 in words is "sixty billion, two hundred seventy-seven million, nine hundred eighty-five thousand, six hundred sixty-four".