86912280 has 288 divisors, whose sum is σ = 354790800. Its totient is φ = 18289152.

The previous prime is 86912261. The next prime is 86912281. The reversal of 86912280 is 8221968.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86912281) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 229131 + ... + 229509.

Almost surely, 2^86912280 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 86912280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177395400).

86912280 is an abundant number, since it is smaller than the sum of its proper divisors (267878520).

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

86912280 is a wasteful number, since it uses less digits than its factorization.

86912280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 86912280 is about 9322.6755816128. The cubic root of 86912280 is about 442.9557881438.

The spelling of 86912280 in words is "eighty-six million, nine hundred twelve thousand, two hundred eighty".