88130305 has 4 divisors (see below), whose sum is σ = 105756372. Its totient is φ = 70504240.

The previous prime is 88130293. The next prime is 88130321. The reversal of 88130305 is 50303188.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37307664 + 50822641 = 6108^2 + 7129^2 .

It is not a de Polignac number, because 88130305 - 2¹³ = 88122113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8813026 + ... + 8813035.

It is an arithmetic number, because the mean of its divisors is an integer number (26439093).

Almost surely, 2^88130305 is an apocalyptic number.

It is an amenable number.

88130305 is a deficient number, since it is larger than the sum of its proper divisors (17626067).

88130305 is a wasteful number, since it uses less digits than its factorization.

88130305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17626066.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 88130305 is about 9387.7742303487. The cubic root of 88130305 is about 445.0154520578.

The spelling of 88130305 in words is "eighty-eight million, one hundred thirty thousand, three hundred five".