84194789716 has 6 divisors (see below), whose sum is σ = 147340882010. Its totient is φ = 42097394856.

The previous prime is 84194789711. The next prime is 84194789771. The reversal of 84194789716 is 61798749148.

It can be written as a sum of positive squares in only one way, i.e., 83341916100 + 852873616 = 288690^2 + 29204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84194789711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10524348711 + ... + 10524348718.

Almost surely, 2^84194789716 is an apocalyptic number.

It is an amenable number.

84194789716 is a deficient number, since it is larger than the sum of its proper divisors (63146092294).

84194789716 is a wasteful number, since it uses less digits than its factorization.

84194789716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21048697433 (or 21048697431 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 64.

The spelling of 84194789716 in words is "eighty-four billion, one hundred ninety-four million, seven hundred eighty-nine thousand, seven hundred sixteen".