84035378643 has 8 divisors (see below), whose sum is σ = 112049260800. Its totient is φ = 56022541128.

The previous prime is 84035378641. The next prime is 84035378653. The reversal of 84035378643 is 34687353048.

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

It is not a de Polignac number, because 84035378643 - 2¹ = 84035378641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84035378641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 48783 + ... + 412856.

It is an arithmetic number, because the mean of its divisors is an integer number (14006157600).

Almost surely, 2^84035378643 is an apocalyptic number.

84035378643 is a deficient number, since it is larger than the sum of its proper divisors (28013882157).

84035378643 is a wasteful number, since it uses less digits than its factorization.

84035378643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522321.

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 84035378643 in words is "eighty-four billion, thirty-five million, three hundred seventy-eight thousand, six hundred forty-three".