87361309 has 8 divisors (see below), whose sum is σ = 99906560. Its totient is φ = 74832336.

The previous prime is 87361213. The next prime is 87361321. The reversal of 87361309 is 90316378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87361309 - 2¹³ = 87353117 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 (87361349) 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 7 ways as a sum of consecutive naturals, for example, 11332 + ... + 17410.

It is an arithmetic number, because the mean of its divisors is an integer number (12488320).

Almost surely, 2^87361309 is an apocalyptic number.

It is an amenable number.

87361309 is a deficient number, since it is larger than the sum of its proper divisors (12545251).

87361309 is a wasteful number, since it uses less digits than its factorization.

87361309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8139.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 87361309 is about 9346.7271812116. The cubic root of 87361309 is about 443.7173162729.

The spelling of 87361309 in words is "eighty-seven million, three hundred sixty-one thousand, three hundred nine".