63571142788 has 24 divisors (see below), whose sum is σ = 115102534680. Its totient is φ = 30685025280.

The previous prime is 63571142729. The next prime is 63571142801. The reversal of 63571142788 is 88724117536.

It can be written as a sum of positive squares in 4 ways, for example, as 1705524804 + 61865617984 = 41298^2 + 248728^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838420 + ... + 911092.

It is an arithmetic number, because the mean of its divisors is an integer number (4795938945).

Almost surely, 2^63571142788 is an apocalyptic number.

It is an amenable number.

63571142788 is a deficient number, since it is larger than the sum of its proper divisors (51531391892).

63571142788 is a wasteful number, since it uses less digits than its factorization.

63571142788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80247 (or 80245 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 52.

The spelling of 63571142788 in words is "sixty-three billion, five hundred seventy-one million, one hundred forty-two thousand, seven hundred eighty-eight".