88727221 has 8 divisors (see below), whose sum is σ = 99409824. Its totient is φ = 78480720.

The previous prime is 88727183. The next prime is 88727227. The reversal of 88727221 is 12272788.

It is a happy number.

It is the 3846-th star number.

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 88727221 - 2¹⁷ = 88596149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88727227) 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, 108595 + ... + 109408.

It is an arithmetic number, because the mean of its divisors is an integer number (12426228).

Almost surely, 2^88727221 is an apocalyptic number.

It is an amenable number.

88727221 is a deficient number, since it is larger than the sum of its proper divisors (10682603).

88727221 is a wasteful number, since it uses less digits than its factorization.

88727221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218051.

The product of its digits is 25088, while the sum is 37.

The square root of 88727221 is about 9419.5127793321. The cubic root of 88727221 is about 446.0179046617.

The spelling of 88727221 in words is "eighty-eight million, seven hundred twenty-seven thousand, two hundred twenty-one".