87343915 has 8 divisors (see below), whose sum is σ = 105740928. Its totient is φ = 69256320.

The previous prime is 87343913. The next prime is 87343951. The reversal of 87343915 is 51934378.

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

It is not a de Polignac number, because 87343915 - 2¹ = 87343913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87343913) 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, 76731 + ... + 77860.

It is an arithmetic number, because the mean of its divisors is an integer number (13217616).

Almost surely, 2^87343915 is an apocalyptic number.

87343915 is a deficient number, since it is larger than the sum of its proper divisors (18397013).

87343915 is a wasteful number, since it uses less digits than its factorization.

87343915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154709.

The product of its digits is 90720, while the sum is 40.

The square root of 87343915 is about 9345.7966487614. The cubic root of 87343915 is about 443.6878656638.

The spelling of 87343915 in words is "eighty-seven million, three hundred forty-three thousand, nine hundred fifteen".