87187696 has 40 divisors (see below), whose sum is σ = 181354464. Its totient is φ = 40458240.

The previous prime is 87187691. The next prime is 87187699. The reversal of 87187696 is 69678178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87187691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17661 + ... + 22051.

Almost surely, 2^87187696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87187696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90677232).

87187696 is an abundant number, since it is smaller than the sum of its proper divisors (94166768).

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

87187696 is a wasteful number, since it uses less digits than its factorization.

87187696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489 (or 4483 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 52.

The square root of 87187696 is about 9337.4351938849. The cubic root of 87187696 is about 443.4231884250.

The spelling of 87187696 in words is "eighty-seven million, one hundred eighty-seven thousand, six hundred ninety-six".