84238138275748 has 12 divisors (see below), whose sum is σ = 147422765802060. Its totient is φ = 42117348046592.

The previous prime is 84238138275721. The next prime is 84238138275773. The reversal of 84238138275748 is 84757283183248.

It can be written as a sum of positive squares in 2 ways, for example, as 56596853055744 + 27641285220004 = 7523088^2 + 5257498^2 .

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, 430162693 + ... + 430358476.

It is an arithmetic number, because the mean of its divisors is an integer number (12285230483505).

Almost surely, 2^{84238138275748} is an apocalyptic number.

It is an amenable number.

84238138275748 is a deficient number, since it is larger than the sum of its proper divisors (63184627526312).

84238138275748 is a wasteful number, since it uses less digits than its factorization.

84238138275748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860545646 (or 860545644 counting only the distinct ones).

The product of its digits is 578027520, while the sum is 70.

The spelling of 84238138275748 in words is "eighty-four trillion, two hundred thirty-eight billion, one hundred thirty-eight million, two hundred seventy-five thousand, seven hundred forty-eight".