87361172 has 12 divisors (see below), whose sum is σ = 155766996. Its totient is φ = 42856320.

The previous prime is 87361171. The next prime is 87361189. The reversal of 87361172 is 27116378.

It can be written as a sum of positive squares in 2 ways, for example, as 61999876 + 25361296 = 7874^2 + 5036^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87361171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205829 + ... + 206252.

It is an arithmetic number, because the mean of its divisors is an integer number (12980583).

Almost surely, 2^87361172 is an apocalyptic number.

It is an amenable number.

87361172 is a deficient number, since it is larger than the sum of its proper divisors (68405824).

87361172 is a wasteful number, since it uses less digits than its factorization.

87361172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412138 (or 412136 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 87361172 is about 9346.7198524402. The cubic root of 87361172 is about 443.7170843270.

The spelling of 87361172 in words is "eighty-seven million, three hundred sixty-one thousand, one hundred seventy-two".