88400512 has 16 divisors (see below), whose sum is σ = 176110650. Its totient is φ = 44200192.

The previous prime is 88400491. The next prime is 88400513. The reversal of 88400512 is 21500488.

It can be written as a sum of positive squares in only one way, i.e., 88059456 + 341056 = 9384^2 + 584^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (88400513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345187 + ... + 345442.

Almost surely, 2^88400512 is an apocalyptic number.

It is an amenable number.

88400512 is a deficient number, since it is larger than the sum of its proper divisors (87710138).

88400512 is an equidigital number, since it uses as much as digits as its factorization.

88400512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690643 (or 690631 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 88400512 is about 9402.1546466754. The cubic root of 88400512 is about 445.4697929631.

The spelling of 88400512 in words is "eighty-eight million, four hundred thousand, five hundred twelve".