87889484 has 12 divisors (see below), whose sum is σ = 153980400. Its totient is φ = 43895088.

The previous prime is 87889481. The next prime is 87889489. The reversal of 87889484 is 48498878.

It is a super-2 number, since 2×87889484² = 15449122795572512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87889481) 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, 8279 + ... + 15630.

It is an arithmetic number, because the mean of its divisors is an integer number (12831700).

Almost surely, 2^87889484 is an apocalyptic number.

It is an amenable number.

87889484 is a deficient number, since it is larger than the sum of its proper divisors (66090916).

87889484 is a wasteful number, since it uses less digits than its factorization.

87889484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24832 (or 24830 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 56.

The square root of 87889484 is about 9374.9391464692. The cubic root of 87889484 is about 444.6097390635.

The spelling of 87889484 in words is "eighty-seven million, eight hundred eighty-nine thousand, four hundred eighty-four".