88461181 has 4 divisors (see below), whose sum is σ = 89673052. Its totient is φ = 87249312.

The previous prime is 88461167. The next prime is 88461203. The reversal of 88461181 is 18116488.

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 30625156 + 57836025 = 5534^2 + 7605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88461181 is a prime.

It is a super-2 number, since 2×88461181² = 15650761087829522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88461181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88461781) 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, 605826 + ... + 605971.

It is an arithmetic number, because the mean of its divisors is an integer number (22418263).

Almost surely, 2^88461181 is an apocalyptic number.

It is an amenable number.

88461181 is a deficient number, since it is larger than the sum of its proper divisors (1211871).

88461181 is a wasteful number, since it uses less digits than its factorization.

88461181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211870.

The product of its digits is 12288, while the sum is 37.

The square root of 88461181 is about 9405.3804282443. The cubic root of 88461181 is about 445.5716778427.

The spelling of 88461181 in words is "eighty-eight million, four hundred sixty-one thousand, one hundred eighty-one".