87381145585747 has 8 divisors (see below), whose sum is σ = 94109494472000. Its totient is φ = 80653757028480.

The previous prime is 87381145585691. The next prime is 87381145585759. The reversal of 87381145585747 is 74758554118378.

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 87381145585747 - 2¹⁵ = 87381145552979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87381145585747.

It is not an unprimeable number, because it can be changed into a prime (87381145589747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239893254 + ... + 240257227.

It is an arithmetic number, because the mean of its divisors is an integer number (11763686809000).

Almost surely, 2^{87381145585747} is an apocalyptic number.

87381145585747 is a deficient number, since it is larger than the sum of its proper divisors (6728348886253).

87381145585747 is a wasteful number, since it uses less digits than its factorization.

87381145585747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480164493.

The product of its digits is 1053696000, while the sum is 73.

The spelling of 87381145585747 in words is "eighty-seven trillion, three hundred eighty-one billion, one hundred forty-five million, five hundred eighty-five thousand, seven hundred forty-seven".