87173033910 has 64 divisors (see below), whose sum is σ = 212495270400. Its totient is φ = 22882728960.

The previous prime is 87173033897. The next prime is 87173033939. The reversal of 87173033910 is 1933037178.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1337766 + ... + 1401414.

It is an arithmetic number, because the mean of its divisors is an integer number (3320238600).

Almost surely, 2^87173033910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87173033910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106247635200).

87173033910 is an abundant number, since it is smaller than the sum of its proper divisors (125322236490).

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

87173033910 is a wasteful number, since it uses less digits than its factorization.

87173033910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64373.

The product of its (nonzero) digits is 95256, while the sum is 42.

The spelling of 87173033910 in words is "eighty-seven billion, one hundred seventy-three million, thirty-three thousand, nine hundred ten".