88567261 has 4 divisors (see below), whose sum is σ = 88947612. Its totient is φ = 88186912.

The previous prime is 88567249. The next prime is 88567277. The reversal of 88567261 is 16276588.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43811161 + 44756100 = 6619^2 + 6690^2 .

It is a cyclic number.

It is not a de Polignac number, because 88567261 - 2²³ = 80178653 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 (88567291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189826 + ... + 190291.

It is an arithmetic number, because the mean of its divisors is an integer number (22236903).

Almost surely, 2^88567261 is an apocalyptic number.

It is an amenable number.

88567261 is a deficient number, since it is larger than the sum of its proper divisors (380351).

88567261 is a wasteful number, since it uses less digits than its factorization.

88567261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380350.

The product of its digits is 161280, while the sum is 43.

The square root of 88567261 is about 9411.0180639504. The cubic root of 88567261 is about 445.7497121029.

The spelling of 88567261 in words is "eighty-eight million, five hundred sixty-seven thousand, two hundred sixty-one".