86247960 has 128 divisors (see below), whose sum is σ = 268738560. Its totient is φ = 22131200.

The previous prime is 86247947. The next prime is 86247991. The reversal of 86247960 is 6974268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451465 + ... + 451655.

It is an arithmetic number, because the mean of its divisors is an integer number (2099520).

Almost surely, 2^86247960 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 86247960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134369280).

86247960 is an abundant number, since it is smaller than the sum of its proper divisors (182490600).

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

86247960 is a wasteful number, since it uses less digits than its factorization.

86247960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 86247960 is about 9286.9779799459. The cubic root of 86247960 is about 441.8243126968.

The spelling of 86247960 in words is "eighty-six million, two hundred forty-seven thousand, nine hundred sixty".