87630383 has 4 divisors (see below), whose sum is σ = 87650808. Its totient is φ = 87609960.

The previous prime is 87630377. The next prime is 87630421. The reversal of 87630383 is 38303678.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87630383 - 2¹⁰ = 87629359 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87630353) 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 3 ways as a sum of consecutive naturals, for example, 1016 + ... + 13277.

It is an arithmetic number, because the mean of its divisors is an integer number (21912702).

Almost surely, 2^87630383 is an apocalyptic number.

87630383 is a deficient number, since it is larger than the sum of its proper divisors (20425).

87630383 is a wasteful number, since it uses less digits than its factorization.

87630383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20424.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 87630383 is about 9361.1101371579. The cubic root of 87630383 is about 444.1724011257.

The spelling of 87630383 in words is "eighty-seven million, six hundred thirty thousand, three hundred eighty-three".