84003545805 has 16 divisors (see below), whose sum is σ = 134448002304. Its totient is φ = 44787781440.

The previous prime is 84003545803. The next prime is 84003545827. The reversal of 84003545805 is 50854530048.

It is not a de Polignac number, because 84003545805 - 2¹ = 84003545803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84003545803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832549 + ... + 927978.

It is an arithmetic number, because the mean of its divisors is an integer number (8403000144).

Almost surely, 2^84003545805 is an apocalyptic number.

It is an amenable number.

84003545805 is a deficient number, since it is larger than the sum of its proper divisors (50444456499).

84003545805 is a wasteful number, since it uses less digits than its factorization.

84003545805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763716.

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 84003545805 in words is "eighty-four billion, three million, five hundred forty-five thousand, eight hundred five".