87283431500 has 96 divisors (see below), whose sum is σ = 208800970560. Its totient is φ = 31726464000.

The previous prime is 87283431497. The next prime is 87283431509. The reversal of 87283431500 is 513438278.

It is not an unprimeable number, because it can be changed into a prime (87283431509) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 69455 + ... + 423545.

It is an arithmetic number, because the mean of its divisors is an integer number (2175010110).

Almost surely, 2^87283431500 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 87283431500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104400485280).

87283431500 is an abundant number, since it is smaller than the sum of its proper divisors (121517539060).

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

87283431500 is a wasteful number, since it uses less digits than its factorization.

87283431500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354156 (or 354144 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

Adding to 87283431500 its reverse (513438278), we get a palindrome (87796869778).

The spelling of 87283431500 in words is "eighty-seven billion, two hundred eighty-three million, four hundred thirty-one thousand, five hundred".