88508261 has 6 divisors (see below), whose sum is σ = 91612710. Its totient is φ = 85407336.

The previous prime is 88508243. The next prime is 88508293. The reversal of 88508261 is 16280588.

It can be written as a sum of positive squares in only one way, i.e., 76300225 + 12208036 = 8735^2 + 3494^2 .

It is a de Polignac number, because none of the positive numbers 2^k-88508261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88507261) 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 5 ways as a sum of consecutive naturals, for example, 49790 + ... + 51536.

It is an arithmetic number, because the mean of its divisors is an integer number (15268785).

Almost surely, 2^88508261 is an apocalyptic number.

It is an amenable number.

88508261 is a deficient number, since it is larger than the sum of its proper divisors (3104449).

88508261 is an frugal number, since it uses more digits than its factorization.

88508261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 88508261 is about 9407.8829180640. The cubic root of 88508261 is about 445.6507098504.

The spelling of 88508261 in words is "eighty-eight million, five hundred eight thousand, two hundred sixty-one".