88809140 has 48 divisors (see below), whose sum is σ = 214604544. Its totient is φ = 30240000.

The previous prime is 88809137. The next prime is 88809163. The reversal of 88809140 is 4190888.

It is a junction number, because it is equal to n+sod(n) for n = 88809094 and 88809103.

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, 19040 + ... + 23240.

It is an arithmetic number, because the mean of its divisors is an integer number (4470928).

Almost surely, 2^88809140 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 88809140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107302272).

88809140 is an abundant number, since it is smaller than the sum of its proper divisors (125795404).

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

88809140 is a wasteful number, since it uses less digits than its factorization.

88809140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368 (or 4366 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 88809140 is about 9423.8601432746. The cubic root of 88809140 is about 446.1551271191.

The spelling of 88809140 in words is "eighty-eight million, eight hundred nine thousand, one hundred forty".