87988125705 has 16 divisors (see below), whose sum is σ = 140786183040. Its totient is φ = 46925273088.

The previous prime is 87988125679. The next prime is 87988125713. The reversal of 87988125705 is 50752188978.

It is not a de Polignac number, because 87988125705 - 2¹⁶ = 87988060169 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386076 + ... + 570114.

It is an arithmetic number, because the mean of its divisors is an integer number (8799136440).

Almost surely, 2^87988125705 is an apocalyptic number.

It is an amenable number.

87988125705 is a deficient number, since it is larger than the sum of its proper divisors (52798057335).

87988125705 is a wasteful number, since it uses less digits than its factorization.

87988125705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215920.

The product of its (nonzero) digits is 11289600, while the sum is 60.

The spelling of 87988125705 in words is "eighty-seven billion, nine hundred eighty-eight million, one hundred twenty-five thousand, seven hundred five".