87313929 has 8 divisors (see below), whose sum is σ = 116671872. Its totient is φ = 58082640.

The previous prime is 87313907. The next prime is 87313937. The reversal of 87313929 is 92931378.

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

It is not a de Polignac number, because 87313929 - 2²¹ = 85216777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87313939) 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, 30042 + ... + 32819.

It is an arithmetic number, because the mean of its divisors is an integer number (14583984).

Almost surely, 2^87313929 is an apocalyptic number.

It is an amenable number.

87313929 is a deficient number, since it is larger than the sum of its proper divisors (29357943).

87313929 is a wasteful number, since it uses less digits than its factorization.

87313929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63327.

The product of its digits is 81648, while the sum is 42.

The square root of 87313929 is about 9344.1922604364. The cubic root of 87313929 is about 443.6370857588.

The spelling of 87313929 in words is "eighty-seven million, three hundred thirteen thousand, nine hundred twenty-nine".