87480345 has 16 divisors (see below), whose sum is σ = 140978880. Its totient is φ = 46319424.

The previous prime is 87480331. The next prime is 87480373. The reversal of 87480345 is 54308478.

It is not a de Polignac number, because 87480345 - 2⁴ = 87480329 is a prime.

It is a super-2 number, since 2×87480345² = 15305621522638050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18894 + ... + 23063.

It is an arithmetic number, because the mean of its divisors is an integer number (8811180).

Almost surely, 2^87480345 is an apocalyptic number.

It is an amenable number.

87480345 is a deficient number, since it is larger than the sum of its proper divisors (53498535).

87480345 is a wasteful number, since it uses less digits than its factorization.

87480345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42104.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 87480345 is about 9353.0928039874. The cubic root of 87480345 is about 443.9187569474.

The spelling of 87480345 in words is "eighty-seven million, four hundred eighty thousand, three hundred forty-five".