87558493505 has 32 divisors (see below), whose sum is σ = 123559603200. Its totient is φ = 58316029632.

The previous prime is 87558493501. The next prime is 87558493511. The reversal of 87558493505 is 50539485578.

It is a happy number.

It is not a de Polignac number, because 87558493505 - 2² = 87558493501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87558493501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106886 + ... + 431904.

It is an arithmetic number, because the mean of its divisors is an integer number (3861237600).

Almost surely, 2^87558493505 is an apocalyptic number.

It is an amenable number.

87558493505 is a deficient number, since it is larger than the sum of its proper divisors (36001109695).

87558493505 is a wasteful number, since it uses less digits than its factorization.

87558493505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325253.

The product of its (nonzero) digits is 30240000, while the sum is 59.

The spelling of 87558493505 in words is "eighty-seven billion, five hundred fifty-eight million, four hundred ninety-three thousand, five hundred five".