87253535516 has 24 divisors (see below), whose sum is σ = 180524557920. Its totient is φ = 36104910912.

The previous prime is 87253535477. The next prime is 87253535543. The reversal of 87253535516 is 61553535278.

It is a super-2 number, since 2×87253535516² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53726735 + ... + 53728358.

It is an arithmetic number, because the mean of its divisors is an integer number (7521856580).

Almost surely, 2^87253535516 is an apocalyptic number.

It is an amenable number.

87253535516 is an abundant number, since it is smaller than the sum of its proper divisors (93271022404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87253535516 is a wasteful number, since it uses less digits than its factorization.

87253535516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107455133 (or 107455131 counting only the distinct ones).

The product of its digits is 3780000, while the sum is 50.

The spelling of 87253535516 in words is "eighty-seven billion, two hundred fifty-three million, five hundred thirty-five thousand, five hundred sixteen".