88211808 has 144 divisors (see below), whose sum is σ = 270350640. Its totient is φ = 27979776.

The previous prime is 88211807. The next prime is 88211821. The reversal of 88211808 is 80811288.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88211803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456960 + ... + 457152.

It is an arithmetic number, because the mean of its divisors is an integer number (1877435).

Almost surely, 2^88211808 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 88211808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135175320).

88211808 is an abundant number, since it is smaller than the sum of its proper divisors (182138832).

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

88211808 is a wasteful number, since it uses less digits than its factorization.

88211808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 36.

The square root of 88211808 is about 9392.1141389998. The cubic root of 88211808 is about 445.1525933785.

The spelling of 88211808 in words is "eighty-eight million, two hundred eleven thousand, eight hundred eight".