88720297 has 8 divisors (see below), whose sum is σ = 94023936. Its totient is φ = 83426112.

The previous prime is 88720283. The next prime is 88720301. The reversal of 88720297 is 79202788.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88720297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88720897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28848 + ... + 31774.

It is an arithmetic number, because the mean of its divisors is an integer number (11752992).

Almost surely, 2^88720297 is an apocalyptic number.

It is an amenable number.

88720297 is a deficient number, since it is larger than the sum of its proper divisors (5303639).

88720297 is a wasteful number, since it uses less digits than its factorization.

88720297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 88720297 is about 9419.1452372283. The cubic root of 88720297 is about 446.0063024038.

The spelling of 88720297 in words is "eighty-eight million, seven hundred twenty thousand, two hundred ninety-seven".