853923923077 has 4 divisors (see below), whose sum is σ = 853984936000. Its totient is φ = 853862910156.

The previous prime is 853923923063. The next prime is 853923923107. The reversal of 853923923077 is 770329329358.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 770329329358 = 2 ⋅385164664679.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-853923923077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853923923477) 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 in 3 ways as a sum of consecutive naturals, for example, 30485463 + ... + 30513460.

It is an arithmetic number, because the mean of its divisors is an integer number (213496234000).

Almost surely, 2^853923923077 is an apocalyptic number.

It is an amenable number.

853923923077 is a deficient number, since it is larger than the sum of its proper divisors (61012923).

853923923077 is a wasteful number, since it uses less digits than its factorization.

853923923077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61012922.

The product of its (nonzero) digits is 17146080, while the sum is 58.

The spelling of 853923923077 in words is "eight hundred fifty-three billion, nine hundred twenty-three million, nine hundred twenty-three thousand, seventy-seven".