86827500 has 180 divisors, whose sum is σ = 291675384. Its totient is φ = 21696000.

The previous prime is 86827459. The next prime is 86827501. The reversal of 86827500 is 572868.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (86827501) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 382387 + ... + 382613.

Almost surely, 2^86827500 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 86827500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145837692).

86827500 is an abundant number, since it is smaller than the sum of its proper divisors (204847884).

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

86827500 is a wasteful number, since it uses less digits than its factorization.

86827500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 86827500 is about 9318.1274942984. The cubic root of 86827500 is about 442.8117118055.

The spelling of 86827500 in words is "eighty-six million, eight hundred twenty-seven thousand, five hundred".