87934244243978 has 16 divisors (see below), whose sum is σ = 143893192271904. Its totient is φ = 39969890853360.

The previous prime is 87934244243933. The next prime is 87934244243983.

It is a happy number.

87934244243978 is nontrivially palindromic in base 10.

87934244243978 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6889325 + ... + 14944272.

It is an arithmetic number, because the mean of its divisors is an integer number (8993324516994).

Almost surely, 2^{87934244243978} is an apocalyptic number.

87934244243978 is a deficient number, since it is larger than the sum of its proper divisors (55958948027926).

87934244243978 is a wasteful number, since it uses less digits than its factorization.

87934244243978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22016677.

The product of its digits is 2341011456, while the sum is 74.

The spelling of 87934244243978 in words is "eighty-seven trillion, nine hundred thirty-four billion, two hundred forty-four million, two hundred forty-three thousand, nine hundred seventy-eight".