88297217 has 4 divisors (see below), whose sum is σ = 89793840. Its totient is φ = 86800596.

The previous prime is 88297213. The next prime is 88297219. The reversal of 88297217 is 71279288.

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 88297217 - 2² = 88297213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88297211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748223 + ... + 748340.

It is an arithmetic number, because the mean of its divisors is an integer number (22448460).

Almost surely, 2^88297217 is an apocalyptic number.

It is an amenable number.

88297217 is a deficient number, since it is larger than the sum of its proper divisors (1496623).

88297217 is a wasteful number, since it uses less digits than its factorization.

88297217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496622.

The product of its digits is 112896, while the sum is 44.

The square root of 88297217 is about 9396.6598852997. The cubic root of 88297217 is about 445.2962165307.

The spelling of 88297217 in words is "eighty-eight million, two hundred ninety-seven thousand, two hundred seventeen".