620879357952 has 384 divisors, whose sum is σ = 2106640972800. Its totient is φ = 176997187584.

The previous prime is 620879357933. The next prime is 620879357953. The reversal of 620879357952 is 259753978026.

620879357952 is a `hidden beast` number, since 6 + 2 + 0 + 8 + 7 + 9 + 3 + 579 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 620879357952.

It is not an unprimeable number, because it can be changed into a prime (620879357953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202437123 + ... + 202440189.

It is an arithmetic number, because the mean of its divisors is an integer number (5486044200).

Almost surely, 2^620879357952 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 620879357952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053320486400).

620879357952 is an abundant number, since it is smaller than the sum of its proper divisors (1485761614848).

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

620879357952 is a wasteful number, since it uses less digits than its factorization.

620879357952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3628 (or 3602 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 63.

The spelling of 620879357952 in words is "six hundred twenty billion, eight hundred seventy-nine million, three hundred fifty-seven thousand, nine hundred fifty-two".