63928238617152 has 784 divisors, whose sum is σ = 240418946290432. Its totient is φ = 16404473548800.

The previous prime is 63928238617093. The next prime is 63928238617153. The reversal of 63928238617152 is 25171683282936.

63928238617152 is a `hidden beast` number, since 6 + 3 + 9 + 2 + 8 + 2 + 3 + 8 + 617 + 1 + 5 + 2 = 666.

It is a super-2 number, since 2×63928238617152² (a number of 28 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 63928238617152.

It is not an unprimeable number, because it can be changed into a prime (63928238617153) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 156887277 + ... + 157294227.

It is an arithmetic number, because the mean of its divisors is an integer number (306656819248).

Almost surely, 2^{63928238617152} 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 63928238617152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120209473145216).

63928238617152 is an abundant number, since it is smaller than the sum of its proper divisors (176490707673280).

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

63928238617152 is a wasteful number, since it uses less digits than its factorization.

63928238617152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407038 (or 407013 counting only the distinct ones).

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

The spelling of 63928238617152 in words is "sixty-three trillion, nine hundred twenty-eight billion, two hundred thirty-eight million, six hundred seventeen thousand, one hundred fifty-two".