88189560 has 192 divisors, whose sum is σ = 305585280. Its totient is φ = 22861440.

The previous prime is 88189559. The next prime is 88189573. The reversal of 88189560 is 6598188.

88189560 is a `hidden beast` number, since 8 + 8 + 1 + 89 + 560 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 417855 + ... + 418065.

It is an arithmetic number, because the mean of its divisors is an integer number (1591590).

Almost surely, 2^88189560 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 88189560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152792640).

88189560 is an abundant number, since it is smaller than the sum of its proper divisors (217395720).

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

88189560 is a wasteful number, since it uses less digits than its factorization.

88189560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 88189560 is about 9390.9296664388. The cubic root of 88189560 is about 445.1151660852.

The spelling of 88189560 in words is "eighty-eight million, one hundred eighty-nine thousand, five hundred sixty".