834193620078 has 32 divisors (see below), whose sum is σ = 2053399681536. Its totient is φ = 220007108448.

The previous prime is 834193620077. The next prime is 834193620079. The reversal of 834193620078 is 870026391438.

834193620078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (834193620077) and next prime (834193620079).

It is a self number, because there is not a number n which added to its sum of digits gives 834193620078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834193620077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763913026 + ... + 763914117.

It is an arithmetic number, because the mean of its divisors is an integer number (64168740048).

Almost surely, 2^834193620078 is an apocalyptic number.

834193620078 is an abundant number, since it is smaller than the sum of its proper divisors (1219206061458).

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

834193620078 is a wasteful number, since it uses less digits than its factorization.

834193620078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527827168.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 834193620078 in words is "eight hundred thirty-four billion, one hundred ninety-three million, six hundred twenty thousand, seventy-eight".