88765380 has 144 divisors (see below), whose sum is σ = 296884224. Its totient is φ = 21288960.

The previous prime is 88765357. The next prime is 88765387. The reversal of 88765380 is 8356788.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (88765387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 251284 + ... + 251636.

It is an arithmetic number, because the mean of its divisors is an integer number (2061696).

Almost surely, 2^88765380 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 88765380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148442112).

88765380 is an abundant number, since it is smaller than the sum of its proper divisors (208118844).

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

88765380 is a wasteful number, since it uses less digits than its factorization.

88765380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 88765380 is about 9421.5380909913. The cubic root of 88765380 is about 446.0818352786.

The spelling of 88765380 in words is "eighty-eight million, seven hundred sixty-five thousand, three hundred eighty".