87487734805 has 8 divisors (see below), whose sum is σ = 105571792800. Its totient is φ = 69599180496.

The previous prime is 87487734791. The next prime is 87487734809. The reversal of 87487734805 is 50843778478.

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 87487734805 - 2²¹ = 87485637653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87487734809) 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, 48874935 + ... + 48876724.

It is an arithmetic number, because the mean of its divisors is an integer number (13196474100).

Almost surely, 2^87487734805 is an apocalyptic number.

It is an amenable number.

87487734805 is a deficient number, since it is larger than the sum of its proper divisors (18084057995).

87487734805 is a wasteful number, since it uses less digits than its factorization.

87487734805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97751843.

The product of its (nonzero) digits is 42147840, while the sum is 61.

It can be divided in two parts, 8748773 and 4805, that added together give a palindrome (8753578).

The spelling of 87487734805 in words is "eighty-seven billion, four hundred eighty-seven million, seven hundred thirty-four thousand, eight hundred five".