87902135205 has 8 divisors (see below), whose sum is σ = 140643416352. Its totient is φ = 46881138768.

The previous prime is 87902135179. The next prime is 87902135221. The reversal of 87902135205 is 50253120978.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87902135205 - 2¹¹ = 87902133157 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2930071159 + ... + 2930071188.

It is an arithmetic number, because the mean of its divisors is an integer number (17580427044).

Almost surely, 2^87902135205 is an apocalyptic number.

It is an amenable number.

87902135205 is a deficient number, since it is larger than the sum of its proper divisors (52741281147).

87902135205 is a wasteful number, since it uses less digits than its factorization.

87902135205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860142355.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 87902135205 in words is "eighty-seven billion, nine hundred two million, one hundred thirty-five thousand, two hundred five".