87428068895 has 4 divisors (see below), whose sum is σ = 104913682680. Its totient is φ = 69942455112.

The previous prime is 87428068837. The next prime is 87428068927. The reversal of 87428068895 is 59886082478.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87428068895 - 2¹² = 87428064799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8742806885 + ... + 8742806894.

It is an arithmetic number, because the mean of its divisors is an integer number (26228420670).

Almost surely, 2^87428068895 is an apocalyptic number.

87428068895 is a deficient number, since it is larger than the sum of its proper divisors (17485613785).

87428068895 is a wasteful number, since it uses less digits than its factorization.

87428068895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17485613784.

The product of its (nonzero) digits is 61931520, while the sum is 65.

The spelling of 87428068895 in words is "eighty-seven billion, four hundred twenty-eight million, sixty-eight thousand, eight hundred ninety-five".