87705611 has 8 divisors (see below), whose sum is σ = 100316160. Its totient is φ = 75115368.

The previous prime is 87705593. The next prime is 87705623. The reversal of 87705611 is 11650778.

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 87705611 - 2²⁶ = 20596747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87705671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5720 + ... + 14426.

It is an arithmetic number, because the mean of its divisors is an integer number (12539520).

Almost surely, 2^87705611 is an apocalyptic number.

87705611 is a deficient number, since it is larger than the sum of its proper divisors (12610549).

87705611 is a wasteful number, since it uses less digits than its factorization.

87705611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10153.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 87705611 is about 9365.1273883488. The cubic root of 87705611 is about 444.2994675728.

The spelling of 87705611 in words is "eighty-seven million, seven hundred five thousand, six hundred eleven".