88217012 has 24 divisors (see below), whose sum is σ = 176036616. Its totient is φ = 38320128.

The previous prime is 88216993. The next prime is 88217027. The reversal of 88217012 is 21071288.

It can be written as a sum of positive squares in 4 ways, for example, as 8042896 + 80174116 = 2836^2 + 8954^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49013 + ... + 50780.

It is an arithmetic number, because the mean of its divisors is an integer number (7334859).

Almost surely, 2^88217012 is an apocalyptic number.

It is an amenable number.

88217012 is a deficient number, since it is larger than the sum of its proper divisors (87819604).

88217012 is a wasteful number, since it uses less digits than its factorization.

88217012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99827 (or 99825 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 88217012 is about 9392.3911758402. The cubic root of 88217012 is about 445.1613470385.

The spelling of 88217012 in words is "eighty-eight million, two hundred seventeen thousand, twelve".