88043728 has 20 divisors (see below), whose sum is σ = 174746628. Its totient is φ = 42947840.

The previous prime is 88043723. The next prime is 88043729. The reversal of 88043728 is 82734088.

It can be written as a sum of positive squares in 2 ways, for example, as 30162064 + 57881664 = 5492^2 + 7608^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88043723) 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, 66451 + ... + 67762.

Almost surely, 2^88043728 is an apocalyptic number.

It is an amenable number.

88043728 is a deficient number, since it is larger than the sum of its proper divisors (86702900).

88043728 is a wasteful number, since it uses less digits than its factorization.

88043728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134262 (or 134256 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 88043728 is about 9383.1619404122. The cubic root of 88043728 is about 444.8696803091.

The spelling of 88043728 in words is "eighty-eight million, forty-three thousand, seven hundred twenty-eight".