87305061 has 8 divisors (see below), whose sum is σ = 116449920. Its totient is φ = 58181792.

The previous prime is 87305059. The next prime is 87305069. The reversal of 87305061 is 16050378.

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 87305061 - 2¹ = 87305059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87305069) 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, 13060 + ... + 18578.

It is an arithmetic number, because the mean of its divisors is an integer number (14556240).

Almost surely, 2^87305061 is an apocalyptic number.

It is an amenable number.

87305061 is a deficient number, since it is larger than the sum of its proper divisors (29144859).

87305061 is a wasteful number, since it uses less digits than its factorization.

87305061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10795.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 87305061 is about 9343.7177290413. The cubic root of 87305061 is about 443.6220659831.

The spelling of 87305061 in words is "eighty-seven million, three hundred five thousand, sixty-one".