84993357945599 has 4 divisors (see below), whose sum is σ = 84994269368736. Its totient is φ = 84992446522464.

The previous prime is 84993357945557. The next prime is 84993357945667. The reversal of 84993357945599 is 99554975339948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84993357945599 - 2⁸ = 84993357945343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84993357948599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455571674 + ... + 455758199.

It is an arithmetic number, because the mean of its divisors is an integer number (21248567342184).

Almost surely, 2^{84993357945599} is an apocalyptic number.

84993357945599 is a deficient number, since it is larger than the sum of its proper divisors (911423137).

84993357945599 is an equidigital number, since it uses as much as digits as its factorization.

84993357945599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911423136.

The product of its digits is 59521392000, while the sum is 89.

The spelling of 84993357945599 in words is "eighty-four trillion, nine hundred ninety-three billion, three hundred fifty-seven million, nine hundred forty-five thousand, five hundred ninety-nine".