87561735 has 16 divisors (see below), whose sum is σ = 140421600. Its totient is φ = 46592000.

The previous prime is 87561731. The next prime is 87561751. The reversal of 87561735 is 53716578.

It is not a de Polignac number, because 87561735 - 2² = 87561731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87561731) 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 15 ways as a sum of consecutive naturals, for example, 235 + ... + 13235.

It is an arithmetic number, because the mean of its divisors is an integer number (8776350).

Almost surely, 2^87561735 is an apocalyptic number.

87561735 is a deficient number, since it is larger than the sum of its proper divisors (52859865).

87561735 is a wasteful number, since it uses less digits than its factorization.

87561735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13458.

The product of its digits is 176400, while the sum is 42.

The square root of 87561735 is about 9357.4427596433. The cubic root of 87561735 is about 444.0563853803.

The spelling of 87561735 in words is "eighty-seven million, five hundred sixty-one thousand, seven hundred thirty-five".