86651648 has 36 divisors (see below), whose sum is σ = 175927080. Its totient is φ = 42584064.

The previous prime is 86651639. The next prime is 86651683. The reversal of 86651648 is 84615668.

It is a super-2 number, since 2×86651648² = 15017016202231808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86651599 and 86651608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12236 + ... + 17972.

Almost surely, 2^86651648 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 86651648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87963540).

86651648 is an abundant number, since it is smaller than the sum of its proper divisors (89275432).

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

86651648 is an equidigital number, since it uses as much as digits as its factorization.

86651648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812 (or 5798 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 86651648 is about 9308.6866957697. The cubic root of 86651648 is about 442.5125671258.

The spelling of 86651648 in words is "eighty-six million, six hundred fifty-one thousand, six hundred forty-eight".