87528522834129 has 48 divisors (see below), whose sum is σ = 133332255958272. Its totient is φ = 50764375074816.

The previous prime is 87528522834121. The next prime is 87528522834131. The reversal of 87528522834129 is 92143822582578.

It is not a de Polignac number, because 87528522834129 - 2³ = 87528522834121 is a prime.

It is a super-2 number, since 2×87528522834129² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87528522834129.

It is not an unprimeable number, because it can be changed into a prime (87528522834121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13388857 + ... + 18823350.

It is an arithmetic number, because the mean of its divisors is an integer number (2777755332464).

Almost surely, 2^{87528522834129} is an apocalyptic number.

It is an amenable number.

87528522834129 is a deficient number, since it is larger than the sum of its proper divisors (45803733124143).

87528522834129 is a wasteful number, since it uses less digits than its factorization.

87528522834129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32212454 (or 32212435 counting only the distinct ones).

The product of its digits is 154828800, while the sum is 66.

The spelling of 87528522834129 in words is "eighty-seven trillion, five hundred twenty-eight billion, five hundred twenty-two million, eight hundred thirty-four thousand, one hundred twenty-nine".