87303861 has 6 divisors (see below), whose sum is σ = 126105590. Its totient is φ = 58202568.

The previous prime is 87303859. The next prime is 87303901. The reversal of 87303861 is 16830378.

It can be written as a sum of positive squares in only one way, i.e., 54022500 + 33281361 = 7350^2 + 5769^2 .

It is not a de Polignac number, because 87303861 - 2¹ = 87303859 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87303361) 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, 4850206 + ... + 4850223.

Almost surely, 2^87303861 is an apocalyptic number.

It is an amenable number.

87303861 is a deficient number, since it is larger than the sum of its proper divisors (38801729).

87303861 is a wasteful number, since it uses less digits than its factorization.

87303861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9700435 (or 9700432 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 87303861 is about 9343.6535145520. The cubic root of 87303861 is about 443.6200334590.

The spelling of 87303861 in words is "eighty-seven million, three hundred three thousand, eight hundred sixty-one".