88738540 has 48 divisors (see below), whose sum is σ = 204228864. Its totient is φ = 32120000.

The previous prime is 88738511. The next prime is 88738547. The reversal of 88738540 is 4583788.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (88738547) 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, 54417 + ... + 56023.

It is an arithmetic number, because the mean of its divisors is an integer number (4254768).

Almost surely, 2^88738540 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 88738540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102114432).

88738540 is an abundant number, since it is smaller than the sum of its proper divisors (115490324).

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

88738540 is a wasteful number, since it uses less digits than its factorization.

88738540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878 (or 1876 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 88738540 is about 9420.1135874256. The cubic root of 88738540 is about 446.0368701379.

The spelling of 88738540 in words is "eighty-eight million, seven hundred thirty-eight thousand, five hundred forty".