87229445 has 8 divisors (see below), whose sum is σ = 105018144. Its totient is φ = 69555024.

The previous prime is 87229367. The next prime is 87229447. The reversal of 87229445 is 54492278.

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 87229445 - 2⁸ = 87229189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87229447) 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, 26879 + ... + 29948.

It is an arithmetic number, because the mean of its divisors is an integer number (13127268).

Almost surely, 2^87229445 is an apocalyptic number.

It is an amenable number.

87229445 is a deficient number, since it is larger than the sum of its proper divisors (17788699).

87229445 is a wasteful number, since it uses less digits than its factorization.

87229445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57139.

The product of its digits is 161280, while the sum is 41.

The square root of 87229445 is about 9339.6704973998. The cubic root of 87229445 is about 443.4939534584.

The spelling of 87229445 in words is "eighty-seven million, two hundred twenty-nine thousand, four hundred forty-five".