63535225778 has 16 divisors (see below), whose sum is σ = 95662573344. Its totient is φ = 31647924000.

The previous prime is 63535225763. The next prime is 63535225801. The reversal of 63535225778 is 87752253536.

It is a super-2 number, since 2×63535225778² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 521153 + ... + 631403.

It is an arithmetic number, because the mean of its divisors is an integer number (5978910834).

Almost surely, 2^63535225778 is an apocalyptic number.

63535225778 is a deficient number, since it is larger than the sum of its proper divisors (32127347566).

63535225778 is a wasteful number, since it uses less digits than its factorization.

63535225778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111337.

The product of its digits is 10584000, while the sum is 53.

The spelling of 63535225778 in words is "sixty-three billion, five hundred thirty-five million, two hundred twenty-five thousand, seven hundred seventy-eight".