86557248 has 140 divisors (see below), whose sum is σ = 261853680. Its totient is φ = 28263168.

The previous prime is 86557223. The next prime is 86557253. The reversal of 86557248 is 84275568.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 305715 + ... + 305997.

Almost surely, 2^86557248 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 86557248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130926840).

86557248 is an abundant number, since it is smaller than the sum of its proper divisors (175296432).

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

86557248 is a wasteful number, since it uses less digits than its factorization.

86557248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 347 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 86557248 is about 9303.6147813632. The cubic root of 86557248 is about 442.3518147878.

The spelling of 86557248 in words is "eighty-six million, five hundred fifty-seven thousand, two hundred forty-eight".