88421717 has 4 divisors (see below), whose sum is σ = 90478080. Its totient is φ = 86365356.

The previous prime is 88421713. The next prime is 88421737. The reversal of 88421717 is 71712488.

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 88421717 - 2² = 88421713 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 (88421713) 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, 1028117 + ... + 1028202.

It is an arithmetic number, because the mean of its divisors is an integer number (22619520).

Almost surely, 2^88421717 is an apocalyptic number.

It is an amenable number.

88421717 is a deficient number, since it is larger than the sum of its proper divisors (2056363).

88421717 is a wasteful number, since it uses less digits than its factorization.

88421717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056362.

The product of its digits is 25088, while the sum is 38.

The square root of 88421717 is about 9403.2822461096. The cubic root of 88421717 is about 445.5054090154.

The spelling of 88421717 in words is "eighty-eight million, four hundred twenty-one thousand, seven hundred seventeen".