88421856 has 96 divisors (see below), whose sum is σ = 239500800. Its totient is φ = 28554240.

The previous prime is 88421849. The next prime is 88421873. The reversal of 88421856 is 65812488.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674911 + ... + 675041.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^88421856 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 88421856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119750400).

88421856 is an abundant number, since it is smaller than the sum of its proper divisors (151078944).

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

88421856 is a wasteful number, since it uses less digits than its factorization.

88421856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 304 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 88421856 is about 9403.2896371430. The cubic root of 88421856 is about 445.5056424619.

The spelling of 88421856 in words is "eighty-eight million, four hundred twenty-one thousand, eight hundred fifty-six".