84703739905 has 8 divisors (see below), whose sum is σ = 101646206784. Its totient is φ = 67761846000.

The previous prime is 84703739903. The next prime is 84703739909. The reversal of 84703739905 is 50993730748.

It is a happy number.

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

It is not a de Polignac number, because 84703739905 - 2¹ = 84703739903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84703739903) 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, 315630 + ... + 518680.

It is an arithmetic number, because the mean of its divisors is an integer number (12705775848).

Almost surely, 2^84703739905 is an apocalyptic number.

It is an amenable number.

84703739905 is a deficient number, since it is larger than the sum of its proper divisors (16942466879).

84703739905 is a wasteful number, since it uses less digits than its factorization.

84703739905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286487.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 84703739905 in words is "eighty-four billion, seven hundred three million, seven hundred thirty-nine thousand, nine hundred five".