831945082077 has 12 divisors (see below), whose sum is σ = 1222066223040. Its totient is φ = 545229544968.

The previous prime is 831945082063. The next prime is 831945082091. The reversal of 831945082077 is 770280549138.

It is a happy number.

831945082077 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 (831945082063) and next prime (831945082091).

It is not a de Polignac number, because 831945082077 - 2⁶ = 831945082013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831945082037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783375253 + ... + 783376314.

It is an arithmetic number, because the mean of its divisors is an integer number (101838851920).

Almost surely, 2^831945082077 is an apocalyptic number.

It is an amenable number.

831945082077 is a deficient number, since it is larger than the sum of its proper divisors (390121140963).

831945082077 is a wasteful number, since it uses less digits than its factorization.

831945082077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566751632 (or 1566751629 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 831945082077 in words is "eight hundred thirty-one billion, nine hundred forty-five million, eighty-two thousand, seventy-seven".