87186735076 has 135 divisors (see below), whose sum is σ = 187502309603. Its totient is φ = 35468312880.

The previous prime is 87186735073. The next prime is 87186735131. The reversal of 87186735076 is 67053768178.

The square root of 87186735076 is 295274.

It is a perfect power (a square), and thus also a powerful number.

It is a self number, because there is not a number n which added to its sum of digits gives 87186735076.

It is not an unprimeable number, because it can be changed into a prime (87186735073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 665547531 + ... + 665547661.

Almost surely, 2^87186735076 is an apocalyptic number.

87186735076 is the 295274-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87186735076

87186735076 is an abundant number, since it is smaller than the sum of its proper divisors (100315574527).

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

87186735076 is an equidigital number, since it uses as much as digits as its factorization.

87186735076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 58.

The spelling of 87186735076 in words is "eighty-seven billion, one hundred eighty-six million, seven hundred thirty-five thousand, seventy-six".