88421718 has 96 divisors (see below), whose sum is σ = 225533952. Its totient is φ = 22619520.

The previous prime is 88421713. The next prime is 88421737. The reversal of 88421718 is 81712488.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88421713) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 645346 + ... + 645482.

It is an arithmetic number, because the mean of its divisors is an integer number (2349312).

Almost surely, 2^88421718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88421718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112766976).

88421718 is an abundant number, since it is smaller than the sum of its proper divisors (137112234).

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

88421718 is a wasteful number, since it uses less digits than its factorization.

88421718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 287 counting only the distinct ones).

The product of its digits is 28672, while the sum is 39.

The square root of 88421718 is about 9403.2822992825. The cubic root of 88421718 is about 445.5054106948.

The spelling of 88421718 in words is "eighty-eight million, four hundred twenty-one thousand, seven hundred eighteen".