88660217 has 4 divisors (see below), whose sum is σ = 91520256. Its totient is φ = 85800180.

The previous prime is 88660211. The next prime is 88660223. The reversal of 88660217 is 71206688.

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 an interprime number because it is at equal distance from previous prime (88660211) and next prime (88660223).

It is a cyclic number.

It is not a de Polignac number, because 88660217 - 2¹⁸ = 88398073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88660211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429973 + ... + 1430034.

It is an arithmetic number, because the mean of its divisors is an integer number (22880064).

Almost surely, 2^88660217 is an apocalyptic number.

It is an amenable number.

88660217 is a deficient number, since it is larger than the sum of its proper divisors (2860039).

88660217 is a wasteful number, since it uses less digits than its factorization.

88660217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860038.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 88660217 is about 9415.9554480679. The cubic root of 88660217 is about 445.9056035015.

The spelling of 88660217 in words is "eighty-eight million, six hundred sixty thousand, two hundred seventeen".