87435850503213 has 48 divisors (see below), whose sum is σ = 137119807393920. Its totient is φ = 53522389802112.

The previous prime is 87435850503179. The next prime is 87435850503269. The reversal of 87435850503213 is 31230505853478.

87435850503213 is a `hidden beast` number, since 8 + 7 + 4 + 3 + 585 + 0 + 50 + 3 + 2 + 1 + 3 = 666.

It is not a de Polignac number, because 87435850503213 - 2⁹ = 87435850502701 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 87435850503213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87435850543213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41057895 + ... + 43134932.

It is an arithmetic number, because the mean of its divisors is an integer number (2856662654040).

Almost surely, 2^{87435850503213} is an apocalyptic number.

It is an amenable number.

87435850503213 is a deficient number, since it is larger than the sum of its proper divisors (49683956890707).

87435850503213 is a wasteful number, since it uses less digits than its factorization.

87435850503213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84193058 (or 84193055 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 54.

The spelling of 87435850503213 in words is "eighty-seven trillion, four hundred thirty-five billion, eight hundred fifty million, five hundred three thousand, two hundred thirteen".