834456399077 has 16 divisors (see below), whose sum is σ = 962814209280. Its totient is φ = 708409819008.

The previous prime is 834456399047. The next prime is 834456399083. The reversal of 834456399077 is 770993654438.

It is a cyclic number.

It is not a de Polignac number, because 834456399077 - 2¹⁰ = 834456398053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834456399047) 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, 570038 + ... + 1412039.

It is an arithmetic number, because the mean of its divisors is an integer number (60175888080).

Almost surely, 2^834456399077 is an apocalyptic number.

It is an amenable number.

834456399077 is a deficient number, since it is larger than the sum of its proper divisors (128357810203).

834456399077 is a wasteful number, since it uses less digits than its factorization.

834456399077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982660.

The product of its (nonzero) digits is 137168640, while the sum is 65.

The spelling of 834456399077 in words is "eight hundred thirty-four billion, four hundred fifty-six million, three hundred ninety-nine thousand, seventy-seven".