87181233438338 has 128 divisors (see below), whose sum is σ = 151294952390400. Its totient is φ = 37319504044032.

The previous prime is 87181233438337. The next prime is 87181233438433. The reversal of 87181233438338 is 83383433218178.

It is not an unprimeable number, because it can be changed into a prime (87181233438337) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37272864773 + ... + 37272867111.

It is an arithmetic number, because the mean of its divisors is an integer number (1181991815550).

Almost surely, 2^{87181233438338} is an apocalyptic number.

87181233438338 is a deficient number, since it is larger than the sum of its proper divisors (64113718952062).

87181233438338 is a wasteful number, since it uses less digits than its factorization.

87181233438338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596.

The product of its digits is 55738368, while the sum is 62.

The spelling of 87181233438338 in words is "eighty-seven trillion, one hundred eighty-one billion, two hundred thirty-three million, four hundred thirty-eight thousand, three hundred thirty-eight".