8340778683 has 16 divisors (see below), whose sum is σ = 12513126400. Its totient is φ = 5490131400.

The previous prime is 8340778639. The next prime is 8340778759. The reversal of 8340778683 is 3868770438.

8340778683 is a `hidden beast` number, since 83 + 407 + 7 + 86 + 83 = 666.

It is not a de Polignac number, because 8340778683 - 2⁶ = 8340778619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8340778603) 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 15 ways as a sum of consecutive naturals, for example, 1953043 + ... + 1957308.

It is an arithmetic number, because the mean of its divisors is an integer number (782070400).

Almost surely, 2^8340778683 is an apocalyptic number.

8340778683 is a deficient number, since it is larger than the sum of its proper divisors (4172347717).

8340778683 is a wasteful number, since it uses less digits than its factorization.

8340778683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910439 (or 3910433 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The square root of 8340778683 is about 91327.8636725945. The cubic root of 8340778683 is about 2028.0042737384.

The spelling of 8340778683 in words is "eight billion, three hundred forty million, seven hundred seventy-eight thousand, six hundred eighty-three".