86550288 has 80 divisors (see below), whose sum is σ = 254555136. Its totient is φ = 25083520.

The previous prime is 86550283. The next prime is 86550293. The reversal of 86550288 is 88205568.

It is an interprime number because it is at equal distance from previous prime (86550283) and next prime (86550293).

It is not an unprimeable number, because it can be changed into a prime (86550283) 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, 8581 + ... + 15707.

Almost surely, 2^86550288 is an apocalyptic number.

86550288 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86550288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127277568).

86550288 is an abundant number, since it is smaller than the sum of its proper divisors (168004848).

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

86550288 is a wasteful number, since it uses less digits than its factorization.

86550288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172 (or 7166 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 86550288 is about 9303.2407256826. The cubic root of 86550288 is about 442.3399580832.

The spelling of 86550288 in words is "eighty-six million, five hundred fifty thousand, two hundred eighty-eight".