88969613 has 4 divisors (see below), whose sum is σ = 89105280. Its totient is φ = 88833948.

The previous prime is 88969579. The next prime is 88969633. The reversal of 88969613 is 31696988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88969613 - 2¹² = 88965517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88969633) 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 in 3 ways as a sum of consecutive naturals, for example, 66845 + ... + 68162.

It is an arithmetic number, because the mean of its divisors is an integer number (22276320).

Almost surely, 2^88969613 is an apocalyptic number.

It is an amenable number.

88969613 is a deficient number, since it is larger than the sum of its proper divisors (135667).

88969613 is a wasteful number, since it uses less digits than its factorization.

88969613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135666.

The product of its digits is 559872, while the sum is 50.

The square root of 88969613 is about 9432.3704867864. The cubic root of 88969613 is about 446.4236909620.

The spelling of 88969613 in words is "eighty-eight million, nine hundred sixty-nine thousand, six hundred thirteen".