88218705 has 8 divisors (see below), whose sum is σ = 141149952. Its totient is φ = 47049968.

The previous prime is 88218703. The next prime is 88218721. The reversal of 88218705 is 50781288.

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 88218705 - 2¹ = 88218703 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88218703) 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, 2940609 + ... + 2940638.

It is an arithmetic number, because the mean of its divisors is an integer number (17643744).

Almost surely, 2^88218705 is an apocalyptic number.

It is an amenable number.

88218705 is a deficient number, since it is larger than the sum of its proper divisors (52931247).

88218705 is a wasteful number, since it uses less digits than its factorization.

88218705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881255.

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 88218705 is about 9392.4813015518. The cubic root of 88218705 is about 445.1641947634.

The spelling of 88218705 in words is "eighty-eight million, two hundred eighteen thousand, seven hundred five".