88131781448 has 16 divisors (see below), whose sum is σ = 166030254960. Its totient is φ = 43857046800.

The previous prime is 88131781417. The next prime is 88131781457. The reversal of 88131781448 is 84418713188.

It is a self number, because there is not a number n which added to its sum of digits gives 88131781448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26103698 + ... + 26107073.

It is an arithmetic number, because the mean of its divisors is an integer number (10376890935).

Almost surely, 2^88131781448 is an apocalyptic number.

It is an amenable number.

88131781448 is a deficient number, since it is larger than the sum of its proper divisors (77898473512).

88131781448 is a wasteful number, since it uses less digits than its factorization.

88131781448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52210988 (or 52210984 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 53.

The spelling of 88131781448 in words is "eighty-eight billion, one hundred thirty-one million, seven hundred eighty-one thousand, four hundred forty-eight".