88905720 has 64 divisors (see below), whose sum is σ = 268272000. Its totient is φ = 23570048.

The previous prime is 88905697. The next prime is 88905721. The reversal of 88905720 is 2750988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88905721) 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, 19411 + ... + 23549.

It is an arithmetic number, because the mean of its divisors is an integer number (4191750).

Almost surely, 2^88905720 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 88905720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134136000).

88905720 is an abundant number, since it is smaller than the sum of its proper divisors (179366280).

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

88905720 is a wasteful number, since it uses less digits than its factorization.

88905720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332 (or 4328 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 88905720 is about 9428.9829780311. The cubic root of 88905720 is about 446.3167998613.

The spelling of 88905720 in words is "eighty-eight million, nine hundred five thousand, seven hundred twenty".