88287217 has 8 divisors (see below), whose sum is σ = 91058792. Its totient is φ = 85536000.

The previous prime is 88287211. The next prime is 88287229. The reversal of 88287217 is 71278288.

It can be written as a sum of positive squares in 4 ways, for example, as 65999376 + 22287841 = 8124^2 + 4721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88287217 - 2¹⁹ = 87762929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88287211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3967 + ... + 13867.

It is an arithmetic number, because the mean of its divisors is an integer number (11382349).

Almost surely, 2^88287217 is an apocalyptic number.

It is an amenable number.

88287217 is a deficient number, since it is larger than the sum of its proper divisors (2771575).

88287217 is a wasteful number, since it uses less digits than its factorization.

88287217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10179.

The product of its digits is 100352, while the sum is 43.

The square root of 88287217 is about 9396.1277662663. The cubic root of 88287217 is about 445.2794053920.

The spelling of 88287217 in words is "eighty-eight million, two hundred eighty-seven thousand, two hundred seventeen".