88216580 has 12 divisors (see below), whose sum is σ = 185254860. Its totient is φ = 35286624.

The previous prime is 88216571. The next prime is 88216589. The reversal of 88216580 is 8561288.

It is an interprime number because it is at equal distance from previous prime (88216571) and next prime (88216589).

It can be written as a sum of positive squares in 2 ways, for example, as 20286016 + 67930564 = 4504^2 + 8242^2 .

It is not an unprimeable number, because it can be changed into a prime (88216589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2205395 + ... + 2205434.

It is an arithmetic number, because the mean of its divisors is an integer number (15437905).

Almost surely, 2^88216580 is an apocalyptic number.

It is an amenable number.

88216580 is an abundant number, since it is smaller than the sum of its proper divisors (97038280).

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

88216580 is a wasteful number, since it uses less digits than its factorization.

88216580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4410838 (or 4410836 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 88216580 is about 9392.3681784734. The cubic root of 88216580 is about 445.1606203835.

The spelling of 88216580 in words is "eighty-eight million, two hundred sixteen thousand, five hundred eighty".