87985479 has 8 divisors (see below), whose sum is σ = 117371520. Its totient is φ = 58628216.

The previous prime is 87985477. The next prime is 87985493. The reversal of 87985479 is 97458978.

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 87985479 - 2¹ = 87985477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87985477) 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, 1414 + ... + 13340.

It is an arithmetic number, because the mean of its divisors is an integer number (14671440).

Almost surely, 2^87985479 is an apocalyptic number.

87985479 is a deficient number, since it is larger than the sum of its proper divisors (29386041).

87985479 is a wasteful number, since it uses less digits than its factorization.

87985479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14389.

The product of its digits is 5080320, while the sum is 57.

The square root of 87985479 is about 9380.0575158151. The cubic root of 87985479 is about 444.7715513022.

The spelling of 87985479 in words is "eighty-seven million, nine hundred eighty-five thousand, four hundred seventy-nine".