87305306 has 16 divisors (see below), whose sum is σ = 143065440. Its totient is φ = 39628080.

The previous prime is 87305297. The next prime is 87305347. The reversal of 87305306 is 60350378.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15845 + ... + 20631.

It is an arithmetic number, because the mean of its divisors is an integer number (8941590).

Almost surely, 2^87305306 is an apocalyptic number.

87305306 is a deficient number, since it is larger than the sum of its proper divisors (55760134).

87305306 is a wasteful number, since it uses less digits than its factorization.

87305306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 87305306 is about 9343.7308394452. The cubic root of 87305306 is about 443.6224809545.

The spelling of 87305306 in words is "eighty-seven million, three hundred five thousand, three hundred six".