87718900 has 36 divisors (see below), whose sum is σ = 191876608. Its totient is φ = 34806240.

The previous prime is 87718859. The next prime is 87718901. The reversal of 87718900 is 981778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87718901) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9247 + ... + 16153.

Almost surely, 2^87718900 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 87718900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95938304).

87718900 is an abundant number, since it is smaller than the sum of its proper divisors (104157708).

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

87718900 is a wasteful number, since it uses less digits than its factorization.

87718900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7048 (or 7041 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 87718900 is about 9365.8368552949. The cubic root of 87718900 is about 444.3219062643.

It can be divided in two parts, 8771 and 8900, that added together give a palindrome (17671).

The spelling of 87718900 in words is "eighty-seven million, seven hundred eighteen thousand, nine hundred".