87481229 has 8 divisors (see below), whose sum is σ = 96742272. Its totient is φ = 78438240.

The previous prime is 87481223. The next prime is 87481231. The reversal of 87481229 is 92218478.

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 87481229 - 2⁸ = 87480973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87481223) 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, 53669 + ... + 55274.

It is an arithmetic number, because the mean of its divisors is an integer number (12092784).

Almost surely, 2^87481229 is an apocalyptic number.

It is an amenable number.

87481229 is a deficient number, since it is larger than the sum of its proper divisors (9261043).

87481229 is a wasteful number, since it uses less digits than its factorization.

87481229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109027.

The product of its digits is 64512, while the sum is 41.

The square root of 87481229 is about 9353.1400609635. The cubic root of 87481229 is about 443.9202522275.

The spelling of 87481229 in words is "eighty-seven million, four hundred eighty-one thousand, two hundred twenty-nine".