987473255 has 8 divisors (see below), whose sum is σ = 1186318224. Its totient is φ = 789078400.

The previous prime is 987473251. The next prime is 987473273. The reversal of 987473255 is 552374789.

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

It is not a de Polignac number, because 987473255 - 2² = 987473251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987473251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107681 + ... + 116490.

It is an arithmetic number, because the mean of its divisors is an integer number (148289778).

Almost surely, 2^987473255 is an apocalyptic number.

987473255 is a deficient number, since it is larger than the sum of its proper divisors (198844969).

987473255 is a wasteful number, since it uses less digits than its factorization.

987473255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225057.

The product of its digits is 2116800, while the sum is 50.

The square root of 987473255 is about 31424.0871784687. The cubic root of 987473255 is about 995.8068604896.

The spelling of 987473255 in words is "nine hundred eighty-seven million, four hundred seventy-three thousand, two hundred fifty-five".