84256607543 has 8 divisors (see below), whose sum is σ = 84420233040. Its totient is φ = 84093039360.

The previous prime is 84256607509. The next prime is 84256607597. The reversal of 84256607543 is 34570665248.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84256607543 - 2⁸ = 84256607287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84256607491 and 84256607500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84256607843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3984743 + ... + 4005831.

It is an arithmetic number, because the mean of its divisors is an integer number (10552529130).

Almost surely, 2^84256607543 is an apocalyptic number.

84256607543 is a deficient number, since it is larger than the sum of its proper divisors (163625497).

84256607543 is a wasteful number, since it uses less digits than its factorization.

84256607543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28657.

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 84256607543 in words is "eighty-four billion, two hundred fifty-six million, six hundred seven thousand, five hundred forty-three".