86057580 has 96 divisors (see below), whose sum is σ = 279982080. Its totient is φ = 19342080.

The previous prime is 86057579. The next prime is 86057591. The reversal of 86057580 is 8575068.

It is a happy 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, 23941 + ... + 27299.

It is an arithmetic number, because the mean of its divisors is an integer number (2916480).

Almost surely, 2^86057580 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 86057580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139991040).

86057580 is an abundant number, since it is smaller than the sum of its proper divisors (193924500).

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

86057580 is a wasteful number, since it uses less digits than its factorization.

86057580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439 (or 3437 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 86057580 is about 9276.7224815664. The cubic root of 86057580 is about 441.4989852768.

The spelling of 86057580 in words is "eighty-six million, fifty-seven thousand, five hundred eighty".