88521408 has 84 divisors (see below), whose sum is σ = 255059688. Its totient is φ = 29352960.

The previous prime is 88521403. The next prime is 88521443. The reversal of 88521408 is 80412588.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (88521401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180043 + ... + 180533.

Almost surely, 2^88521408 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 88521408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127529844).

88521408 is an abundant number, since it is smaller than the sum of its proper divisors (166538280).

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

88521408 is a wasteful number, since it uses less digits than its factorization.

88521408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 88521408 is about 9408.5816146750. The cubic root of 88521408 is about 445.6727743814.

The spelling of 88521408 in words is "eighty-eight million, five hundred twenty-one thousand, four hundred eight".