831053477 has 8 divisors (see below), whose sum is σ = 851702040. Its totient is φ = 810423040.

The previous prime is 831053473. The next prime is 831053479. The reversal of 831053477 is 774350138.

831053477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 325658116 + 505395361 = 18046^2 + 22481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 831053477 - 2² = 831053473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 831053477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831053471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170993 + ... + 175785.

It is an arithmetic number, because the mean of its divisors is an integer number (106462755).

Almost surely, 2^831053477 is an apocalyptic number.

It is an amenable number.

831053477 is a deficient number, since it is larger than the sum of its proper divisors (20648563).

831053477 is a wasteful number, since it uses less digits than its factorization.

831053477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9063.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 831053477 is about 28827.9981441653. The cubic root of 831053477 is about 940.1770743068.

The spelling of 831053477 in words is "eight hundred thirty-one million, fifty-three thousand, four hundred seventy-seven".