63798085448955 has 320 divisors, whose sum is σ = 135491641084800. Its totient is φ = 28481390346240.

The previous prime is 63798085448941. The next prime is 63798085448987. The reversal of 63798085448955 is 55984458089736.

63798085448955 is a `hidden beast` number, since 6 + 3 + 7 + 9 + 8 + 0 + 85 + 4 + 489 + 55 = 666.

63798085448955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63798085448955 - 2⁶ = 63798085448891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 4003134747 + ... + 4003150683.

It is an arithmetic number, because the mean of its divisors is an integer number (423411378390).

Almost surely, 2^{63798085448955} is an apocalyptic number.

63798085448955 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

63798085448955 is an abundant number, since it is smaller than the sum of its proper divisors (71693555635845).

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

63798085448955 is a wasteful number, since it uses less digits than its factorization.

63798085448955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16413 (or 16378 counting only the distinct ones).

The product of its (nonzero) digits is 10450944000, while the sum is 81.

The spelling of 63798085448955 in words is "sixty-three trillion, seven hundred ninety-eight billion, eighty-five million, four hundred forty-eight thousand, nine hundred fifty-five".