87002729 has 8 divisors (see below), whose sum is σ = 99907680. Its totient is φ = 74930400.

The previous prime is 87002711. The next prime is 87002731. The reversal of 87002729 is 92720078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87002729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87002749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207932 + ... + 208349.

It is an arithmetic number, because the mean of its divisors is an integer number (12488460).

Almost surely, 2^87002729 is an apocalyptic number.

It is an amenable number.

87002729 is a deficient number, since it is larger than the sum of its proper divisors (12904951).

87002729 is a wasteful number, since it uses less digits than its factorization.

87002729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416311.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 87002729 is about 9327.5253416970. The cubic root of 87002729 is about 443.1093951972.

The spelling of 87002729 in words is "eighty-seven million, two thousand, seven hundred twenty-nine".