63348133578 has 16 divisors (see below), whose sum is σ = 126698986080. Its totient is φ = 21115591376.

The previous prime is 63348133489. The next prime is 63348133579. The reversal of 63348133578 is 87533184336.

It is a happy number.

It is a super-2 number, since 2×63348133578² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63348133578.

It is not an unprimeable number, because it can be changed into a prime (63348133579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312976 + ... + 473972.

It is an arithmetic number, because the mean of its divisors is an integer number (7918686630).

Almost surely, 2^63348133578 is an apocalyptic number.

63348133578 is an abundant number, since it is smaller than the sum of its proper divisors (63350852502).

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

63348133578 is a wasteful number, since it uses less digits than its factorization.

63348133578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226581.

The product of its digits is 4354560, while the sum is 51.

The spelling of 63348133578 in words is "sixty-three billion, three hundred forty-eight million, one hundred thirty-three thousand, five hundred seventy-eight".