88216728 has 16 divisors (see below), whose sum is σ = 220541880. Its totient is φ = 29405568.

The previous prime is 88216721. The next prime is 88216759. The reversal of 88216728 is 82761288.

It is a self number, because there is not a number n which added to its sum of digits gives 88216728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88216721) 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, 1837825 + ... + 1837872.

Almost surely, 2^88216728 is an apocalyptic number.

It is an amenable number.

88216728 is an abundant number, since it is smaller than the sum of its proper divisors (132325152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88216728 is a wasteful number, since it uses less digits than its factorization.

88216728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675706 (or 3675702 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 88216728 is about 9392.3760572072. The cubic root of 88216728 is about 445.1608693304.

The spelling of 88216728 in words is "eighty-eight million, two hundred sixteen thousand, seven hundred twenty-eight".