620772428021760 has 3264 divisors, whose sum is σ = 2651354351493120. Its totient is φ = 131365601280000.

The previous prime is 620772428021743. The next prime is 620772428021827. The reversal of 620772428021760 is 67120824277026.

620772428021760 is a `hidden beast` number, since 6 + 2 + 0 + 77 + 24 + 280 + 217 + 60 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 620772428021697 and 620772428021706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1548060917560 + ... + 1548060917960.

Almost surely, 2^{620772428021760} is an apocalyptic number.

620772428021760 is a gapful number since it is divisible by the number (60) 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 620772428021760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325677175746560).

620772428021760 is an abundant number, since it is smaller than the sum of its proper divisors (2030581923471360).

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

620772428021760 is a wasteful number, since it uses less digits than its factorization.

620772428021760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 620772428021760 in words is "six hundred twenty trillion, seven hundred seventy-two billion, four hundred twenty-eight million, twenty-one thousand, seven hundred sixty".