87489182338 has 8 divisors (see below), whose sum is σ = 131744411532. Its totient is φ = 43574378496.

The previous prime is 87489182327. The next prime is 87489182357. The reversal of 87489182338 is 83328198478.

It can be written as a sum of positive squares in 2 ways, for example, as 70287023689 + 17202158649 = 265117^2 + 131157^2 .

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

It is a super-2 number, since 2×87489182338² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85105695 + ... + 85106722.

Almost surely, 2^87489182338 is an apocalyptic number.

87489182338 is a deficient number, since it is larger than the sum of its proper divisors (44255229194).

87489182338 is a wasteful number, since it uses less digits than its factorization.

87489182338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170212676.

The product of its digits is 18579456, while the sum is 61.

The spelling of 87489182338 in words is "eighty-seven billion, four hundred eighty-nine million, one hundred eighty-two thousand, three hundred thirty-eight".