88303609 has 3 divisors (see below), whose sum is σ = 88313007. Its totient is φ = 88294212.

The previous prime is 88303603. The next prime is 88303619. The reversal of 88303609 is 90630388.

It is a happy number.

The square root of 88303609 is 9397.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 469225 + 87834384 = 685^2 + 9372^2 .

It is not a de Polignac number, because 88303609 - 2⁵ = 88303577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88303603) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4699 + ... + 14095.

It is an arithmetic number, because the mean of its divisors is an integer number (29437669).

Almost surely, 2^88303609 is an apocalyptic number.

88303609 is the 9397-th square number.

88303609 is the 4699-th centered octagonal number.

It is an amenable number.

88303609 is a deficient number, since it is larger than the sum of its proper divisors (9398).

88303609 is an frugal number, since it uses more digits than its factorization.

88303609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18794 (or 9397 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The cubic root of 88303609 is about 445.3069615456.

The spelling of 88303609 in words is "eighty-eight million, three hundred three thousand, six hundred nine".