87522608849 has 16 divisors (see below), whose sum is σ = 97160249088. Its totient is φ = 78332120832.

The previous prime is 87522608839. The next prime is 87522608851. The reversal of 87522608849 is 94880622578.

It is a cyclic number.

It is not a de Polignac number, because 87522608849 - 2¹⁶ = 87522543313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87522608809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603992 + ... + 734745.

It is an arithmetic number, because the mean of its divisors is an integer number (6072515568).

Almost surely, 2^87522608849 is an apocalyptic number.

It is an amenable number.

87522608849 is a deficient number, since it is larger than the sum of its proper divisors (9637640239).

87522608849 is a wasteful number, since it uses less digits than its factorization.

87522608849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338904.

The product of its (nonzero) digits is 15482880, while the sum is 59.

The spelling of 87522608849 in words is "eighty-seven billion, five hundred twenty-two million, six hundred eight thousand, eight hundred forty-nine".