87407305 has 16 divisors (see below), whose sum is σ = 108792720. Its totient is φ = 67336192.

The previous prime is 87407297. The next prime is 87407323. The reversal of 87407305 is 50370478.

It can be written as a sum of positive squares in 8 ways, for example, as 898704 + 86508601 = 948^2 + 9301^2 .

It is a cyclic number.

It is not a de Polignac number, because 87407305 - 2³ = 87407297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88977 + ... + 89953.

It is an arithmetic number, because the mean of its divisors is an integer number (6799545).

Almost surely, 2^87407305 is an apocalyptic number.

It is an amenable number.

87407305 is a deficient number, since it is larger than the sum of its proper divisors (21385415).

87407305 is a wasteful number, since it uses less digits than its factorization.

87407305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 87407305 is about 9349.1873978437. The cubic root of 87407305 is about 443.7951754577.

The spelling of 87407305 in words is "eighty-seven million, four hundred seven thousand, three hundred five".