88218069 has 8 divisors (see below), whose sum is σ = 120359712. Its totient is φ = 57444240.

The previous prime is 88218061. The next prime is 88218073. The reversal of 88218069 is 96081288.

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

It is not a de Polignac number, because 88218069 - 2³ = 88218061 is a prime.

It is a super-2 number, since 2×88218069² = 15564855396177522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 88218069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88218061) 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, 341802 + ... + 342059.

It is an arithmetic number, because the mean of its divisors is an integer number (15044964).

Almost surely, 2^88218069 is an apocalyptic number.

It is an amenable number.

88218069 is a deficient number, since it is larger than the sum of its proper divisors (32141643).

88218069 is a wasteful number, since it uses less digits than its factorization.

88218069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683907.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 88218069 is about 9392.4474446227. The cubic root of 88218069 is about 445.1631249785.

The spelling of 88218069 in words is "eighty-eight million, two hundred eighteen thousand, sixty-nine".