84785416394 has 16 divisors (see below), whose sum is σ = 145452786048. Its totient is φ = 36310017552.

The previous prime is 84785416379. The next prime is 84785416447. The reversal of 84785416394 is 49361458748.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2195969 + ... + 2234244.

It is an arithmetic number, because the mean of its divisors is an integer number (9090799128).

Almost surely, 2^84785416394 is an apocalyptic number.

84785416394 is a deficient number, since it is larger than the sum of its proper divisors (60667369654).

84785416394 is a wasteful number, since it uses less digits than its factorization.

84785416394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431589.

The product of its digits is 23224320, while the sum is 59.

The spelling of 84785416394 in words is "eighty-four billion, seven hundred eighty-five million, four hundred sixteen thousand, three hundred ninety-four".