88489856 has 128 divisors (see below), whose sum is σ = 222082560. Its totient is φ = 34191360.

The previous prime is 88489853. The next prime is 88489889. The reversal of 88489856 is 65898488.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×88489856² = 15660909229801472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88489853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826955 + ... + 827061.

It is an arithmetic number, because the mean of its divisors is an integer number (1735020).

Almost surely, 2^88489856 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 88489856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111041280).

88489856 is an abundant number, since it is smaller than the sum of its proper divisors (133592704).

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

88489856 is a wasteful number, since it uses less digits than its factorization.

88489856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 200 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 56.

The square root of 88489856 is about 9406.9046981459. The cubic root of 88489856 is about 445.6198171788.

The spelling of 88489856 in words is "eighty-eight million, four hundred eighty-nine thousand, eight hundred fifty-six".