83784053335386 has 16 divisors (see below), whose sum is σ = 167758308845568. Its totient is φ = 27896317416000.

The previous prime is 83784053335361. The next prime is 83784053335457. The reversal of 83784053335386 is 68353335048738.

It is a super-5 number, since 5×83784053335386⁵ (a number of 71 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

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, 7925084890 + ... + 7925095461.

It is an arithmetic number, because the mean of its divisors is an integer number (10484894302848).

Almost surely, 2^{83784053335386} is an apocalyptic number.

83784053335386 is an abundant number, since it is smaller than the sum of its proper divisors (83974255510182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83784053335386 is a wasteful number, since it uses less digits than its factorization.

83784053335386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15850181237.

The product of its (nonzero) digits is 522547200, while the sum is 66.

The spelling of 83784053335386 in words is "eighty-three trillion, seven hundred eighty-four billion, fifty-three million, three hundred thirty-five thousand, three hundred eighty-six".