63225171378 has 32 divisors (see below), whose sum is σ = 140542960320. Its totient is φ = 21068670240.

The previous prime is 63225171319. The next prime is 63225171379. The reversal of 63225171378 is 87317152236.

63225171378 is a `hidden beast` number, since 63 + 2 + 2 + 517 + 1 + 3 + 78 = 666.

63225171378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63225171379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4126 + ... + 355622.

It is an arithmetic number, because the mean of its divisors is an integer number (4391967510).

Almost surely, 2^63225171378 is an apocalyptic number.

63225171378 is an abundant number, since it is smaller than the sum of its proper divisors (77317788942).

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

63225171378 is a wasteful number, since it uses less digits than its factorization.

63225171378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354839 (or 354833 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 63225171378 in words is "sixty-three billion, two hundred twenty-five million, one hundred seventy-one thousand, three hundred seventy-eight".