88286721 has 8 divisors (see below), whose sum is σ = 118421184. Its totient is φ = 58505040.

The previous prime is 88286707. The next prime is 88286741. The reversal of 88286721 is 12768288.

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

It is not a de Polignac number, because 88286721 - 2⁵ = 88286689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88286741) 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, 87610 + ... + 88611.

It is an arithmetic number, because the mean of its divisors is an integer number (14802648).

Almost surely, 2^88286721 is an apocalyptic number.

It is an amenable number.

88286721 is a deficient number, since it is larger than the sum of its proper divisors (30134463).

88286721 is a wasteful number, since it uses less digits than its factorization.

88286721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176391.

The product of its digits is 86016, while the sum is 42.

The square root of 88286721 is about 9396.1013723778. The cubic root of 88286721 is about 445.2785715265.

The spelling of 88286721 in words is "eighty-eight million, two hundred eighty-six thousand, seven hundred twenty-one".