84565977956548 has 12 divisors (see below), whose sum is σ = 161444139735312. Its totient is φ = 38439080889320.

The previous prime is 84565977956507. The next prime is 84565977956609.

84565977956548 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×84565977956548³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960977022190 + ... + 960977022277.

It is an arithmetic number, because the mean of its divisors is an integer number (13453678311276).

Almost surely, 2^{84565977956548} is an apocalyptic number.

It is an amenable number.

84565977956548 is a deficient number, since it is larger than the sum of its proper divisors (76878161778764).

84565977956548 is a wasteful number, since it uses less digits than its factorization.

84565977956548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921954044482 (or 1921954044480 counting only the distinct ones).

The product of its digits is 91445760000, while the sum is 88.

The spelling of 84565977956548 in words is "eighty-four trillion, five hundred sixty-five billion, nine hundred seventy-seven million, nine hundred fifty-six thousand, five hundred forty-eight".