87427975053508 has 24 divisors (see below), whose sum is σ = 153671504981400. Its totient is φ = 43521841782528.

The previous prime is 87427975053437. The next prime is 87427975053509. The reversal of 87427975053508 is 80535057972478.

It can be written as a sum of positive squares in 4 ways, for example, as 20226804646084 + 67201170407424 = 4497422^2 + 8197632^2 .

It is not an unprimeable number, because it can be changed into a prime (87427975053509) 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, 30819666 + ... + 33536662.

It is an arithmetic number, because the mean of its divisors is an integer number (6402979374225).

Almost surely, 2^{87427975053508} is an apocalyptic number.

It is an amenable number.

87427975053508 is a deficient number, since it is larger than the sum of its proper divisors (66243529927892).

87427975053508 is a wasteful number, since it uses less digits than its factorization.

87427975053508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752359 (or 2752357 counting only the distinct ones).

The product of its (nonzero) digits is 592704000, while the sum is 70.

The spelling of 87427975053508 in words is "eighty-seven trillion, four hundred twenty-seven billion, nine hundred seventy-five million, fifty-three thousand, five hundred eight".