87319627500 has 240 divisors, whose sum is σ = 293660998400. Its totient is φ = 19774368000.

The previous prime is 87319627469. The next prime is 87319627547. The reversal of 87319627500 is 572691378.

It is a self number, because there is not a number n which added to its sum of digits gives 87319627500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5714871 + ... + 5730129.

Almost surely, 2^87319627500 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 87319627500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146830499200).

87319627500 is an abundant number, since it is smaller than the sum of its proper divisors (206341370900).

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

87319627500 is a wasteful number, since it uses less digits than its factorization.

87319627500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15402 (or 15385 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 87319627500 in words is "eighty-seven billion, three hundred nineteen million, six hundred twenty-seven thousand, five hundred".