87445803 has 8 divisors (see below), whose sum is σ = 119075328. Its totient is φ = 57056744.

The previous prime is 87445781. The next prime is 87445829. The reversal of 87445803 is 30854478.

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

It is a cyclic number.

It is not a de Polignac number, because 87445803 - 2⁹ = 87445291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87445003) 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, 309951 + ... + 310232.

It is an arithmetic number, because the mean of its divisors is an integer number (14884416).

Almost surely, 2^87445803 is an apocalyptic number.

87445803 is a deficient number, since it is larger than the sum of its proper divisors (31629525).

87445803 is a wasteful number, since it uses less digits than its factorization.

87445803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620233.

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

The square root of 87445803 is about 9351.2460667015. The cubic root of 87445803 is about 443.8603214960.

The spelling of 87445803 in words is "eighty-seven million, four hundred forty-five thousand, eight hundred three".