63228878188751 has 4 divisors (see below), whose sum is σ = 68976958024104. Its totient is φ = 57480798353400.

The previous prime is 63228878188739. The next prime is 63228878188769. The reversal of 63228878188751 is 15788187882236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63228878188751 - 2⁶ = 63228878188687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63228878188781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2874039917660 + ... + 2874039917681.

It is an arithmetic number, because the mean of its divisors is an integer number (17244239506026).

Almost surely, 2^{63228878188751} is an apocalyptic number.

63228878188751 is a deficient number, since it is larger than the sum of its proper divisors (5748079835353).

63228878188751 is a wasteful number, since it uses less digits than its factorization.

63228878188751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748079835352.

The product of its digits is 578027520, while the sum is 74.

The spelling of 63228878188751 in words is "sixty-three trillion, two hundred twenty-eight billion, eight hundred seventy-eight million, one hundred eighty-eight thousand, seven hundred fifty-one".