88121544 has 96 divisors (see below), whose sum is σ = 265907520. Its totient is φ = 23836032.

The previous prime is 88121543. The next prime is 88121573. The reversal of 88121544 is 44512188.

It is not an unprimeable number, because it can be changed into a prime (88121543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59922 + ... + 61374.

It is an arithmetic number, because the mean of its divisors is an integer number (2769870).

Almost surely, 2^88121544 is an apocalyptic number.

88121544 is a gapful number since it is divisible by the number (84) 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 88121544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132953760).

88121544 is an abundant number, since it is smaller than the sum of its proper divisors (177785976).

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

88121544 is a wasteful number, since it uses less digits than its factorization.

88121544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507 (or 1484 counting only the distinct ones).

The product of its digits is 10240, while the sum is 33.

The square root of 88121544 is about 9387.3076012241. The cubic root of 88121544 is about 445.0007052970. Note that the first 3 decimals are identical.

The spelling of 88121544 in words is "eighty-eight million, one hundred twenty-one thousand, five hundred forty-four".