88009140 has 48 divisors (see below), whose sum is σ = 259398720. Its totient is φ = 22233600.

The previous prime is 88009139. The next prime is 88009189. The reversal of 88009140 is 4190088.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 88009098 and 88009107.

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, 37461 + ... + 39740.

It is an arithmetic number, because the mean of its divisors is an integer number (5404140).

Almost surely, 2^88009140 is an apocalyptic number.

It is an amenable number.

88009140 is an abundant number, since it is smaller than the sum of its proper divisors (171389580).

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

88009140 is a wasteful number, since it uses less digits than its factorization.

88009140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77232 (or 77230 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 88009140 is about 9381.3186706347. The cubic root of 88009140 is about 444.8114169580.

The spelling of 88009140 in words is "eighty-eight million, nine thousand, one hundred forty".