88555840 has 112 divisors (see below), whose sum is σ = 222382080. Its totient is φ = 33546240.

The previous prime is 88555823. The next prime is 88555847. The reversal of 88555840 is 4855588.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88555847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783624 + ... + 783736.

Almost surely, 2^88555840 is an apocalyptic number.

88555840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88555840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111191040).

88555840 is an abundant number, since it is smaller than the sum of its proper divisors (133826240).

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

88555840 is a wasteful number, since it uses less digits than its factorization.

88555840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 43.

The square root of 88555840 is about 9410.4112556253. The cubic root of 88555840 is about 445.7305510485.

The spelling of 88555840 in words is "eighty-eight million, five hundred fifty-five thousand, eight hundred forty".