88439012 has 6 divisors (see below), whose sum is σ = 154768278. Its totient is φ = 44219504.

The previous prime is 88439011. The next prime is 88439023. The reversal of 88439012 is 21093488.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58583716 + 29855296 = 7654^2 + 5464^2 .

It is a super-2 number, since 2×88439012² = 15642917687072288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88439011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11054873 + ... + 11054880.

It is an arithmetic number, because the mean of its divisors is an integer number (25794713).

Almost surely, 2^88439012 is an apocalyptic number.

It is an amenable number.

88439012 is a deficient number, since it is larger than the sum of its proper divisors (66329266).

88439012 is a wasteful number, since it uses less digits than its factorization.

88439012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22109757 (or 22109755 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 88439012 is about 9404.2018268431. The cubic root of 88439012 is about 445.5344535910.

The spelling of 88439012 in words is "eighty-eight million, four hundred thirty-nine thousand, twelve".