87435309140 has 48 divisors (see below), whose sum is σ = 198204209280. Its totient is φ = 32299935360.

The previous prime is 87435309119. The next prime is 87435309149. The reversal of 87435309140 is 4190353478.

It is a junction number, because it is equal to n+sod(n) for n = 87435309091 and 87435309100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87435309149) 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 15 ways as a sum of consecutive naturals, for example, 3263846 + ... + 3290525.

It is an arithmetic number, because the mean of its divisors is an integer number (4129254360).

Almost surely, 2^87435309140 is an apocalyptic number.

It is an amenable number.

87435309140 is an abundant number, since it is smaller than the sum of its proper divisors (110768900140).

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

87435309140 is a wasteful number, since it uses less digits than its factorization.

87435309140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6554432 (or 6554430 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 87435309140 in words is "eighty-seven billion, four hundred thirty-five million, three hundred nine thousand, one hundred forty".