87480471 has 8 divisors (see below), whose sum is σ = 125613040. Its totient is φ = 53834112.

The previous prime is 87480467. The next prime is 87480473. The reversal of 87480471 is 17408478.

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

It is not a de Polignac number, because 87480471 - 2² = 87480467 is a prime.

It is a super-3 number, since 3×87480471³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 2243089 = 87480471 / (8 + 7 + 4 + 8 + 0 + 4 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87480473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121506 + ... + 1121583.

It is an arithmetic number, because the mean of its divisors is an integer number (15701630).

Almost surely, 2^87480471 is an apocalyptic number.

87480471 is a deficient number, since it is larger than the sum of its proper divisors (38132569).

87480471 is a wasteful number, since it uses less digits than its factorization.

87480471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243105.

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 87480471 is about 9353.0995397248. The cubic root of 87480471 is about 443.9189700762.

The spelling of 87480471 in words is "eighty-seven million, four hundred eighty thousand, four hundred seventy-one".