88990128 has 120 divisors (see below), whose sum is σ = 263503968. Its totient is φ = 27979776.

The previous prime is 88990093. The next prime is 88990141. The reversal of 88990128 is 82109988.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321126 + ... + 321402.

Almost surely, 2^88990128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88990128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131751984).

88990128 is an abundant number, since it is smaller than the sum of its proper divisors (174513840).

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

88990128 is a wasteful number, since it uses less digits than its factorization.

88990128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 88990128 is about 9433.4579025933. The cubic root of 88990128 is about 446.4580010965.

The spelling of 88990128 in words is "eighty-eight million, nine hundred ninety thousand, one hundred twenty-eight".