87930880 has 96 divisors (see below), whose sum is σ = 218574720. Its totient is φ = 33914880.

The previous prime is 87930877. The next prime is 87930881. The reversal of 87930880 is 8803978.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87930881) 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, 317302 + ... + 317578.

It is an arithmetic number, because the mean of its divisors is an integer number (2276820).

Almost surely, 2^87930880 is an apocalyptic number.

87930880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87930880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109287360).

87930880 is an abundant number, since it is smaller than the sum of its proper divisors (130643840).

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

87930880 is a wasteful number, since it uses less digits than its factorization.

87930880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 87930880 is about 9377.1466875591. The cubic root of 87930880 is about 444.6795319256.

The spelling of 87930880 in words is "eighty-seven million, nine hundred thirty thousand, eight hundred eighty".