88818840 has 144 divisors (see below), whose sum is σ = 317444400. Its totient is φ = 21521280.

The previous prime is 88818839. The next prime is 88818841. The reversal of 88818840 is 4881888.

It is an interprime number because it is at equal distance from previous prime (88818839) and next prime (88818841).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88818841) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 42541 + ... + 44579.

It is an arithmetic number, because the mean of its divisors is an integer number (2204475).

Almost surely, 2^88818840 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 88818840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158722200).

88818840 is an abundant number, since it is smaller than the sum of its proper divisors (228625560).

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

88818840 is a wasteful number, since it uses less digits than its factorization.

88818840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 45.

The square root of 88818840 is about 9424.3747803236. The cubic root of 88818840 is about 446.1713699937.

The spelling of 88818840 in words is "eighty-eight million, eight hundred eighteen thousand, eight hundred forty".