63487928952 has 640 divisors, whose sum is σ = 226040855040. Its totient is φ = 16233799680.

The previous prime is 63487928929. The next prime is 63487929007. The reversal of 63487928952 is 25982978436.

63487928952 is a `hidden beast` number, since 6 + 348 + 7 + 9 + 289 + 5 + 2 = 666.

63487928952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63487928952² (a number of 22 digits) contains 22 as substring.

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 63487928952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 135948223 + ... + 135948689.

It is an arithmetic number, because the mean of its divisors is an integer number (353188836).

Almost surely, 2^63487928952 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 63487928952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113020427520).

63487928952 is an abundant number, since it is smaller than the sum of its proper divisors (162552926088).

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

63487928952 is a wasteful number, since it uses less digits than its factorization.

63487928952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 580 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 63487928952 in words is "sixty-three billion, four hundred eighty-seven million, nine hundred twenty-eight thousand, nine hundred fifty-two".