87353921888 has 96 divisors (see below), whose sum is σ = 180832684032. Its totient is φ = 41486054400.

The previous prime is 87353921867. The next prime is 87353921911. The reversal of 87353921888 is 88812935378.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 87353921888.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16407995 + ... + 16413317.

It is an arithmetic number, because the mean of its divisors is an integer number (1883673792).

Almost surely, 2^87353921888 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 87353921888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90416342016).

87353921888 is an abundant number, since it is smaller than the sum of its proper divisors (93478762144).

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

87353921888 is a wasteful number, since it uses less digits than its factorization.

87353921888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668 (or 5660 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 62.

The spelling of 87353921888 in words is "eighty-seven billion, three hundred fifty-three million, nine hundred twenty-one thousand, eight hundred eighty-eight".