831200645 has 8 divisors (see below), whose sum is σ = 1088117280. Its totient is φ = 604509520.

The previous prime is 831200603. The next prime is 831200659. The reversal of 831200645 is 546002138.

831200645 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 831200645 - 2¹² = 831196549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7556315 + ... + 7556424.

It is an arithmetic number, because the mean of its divisors is an integer number (136014660).

Almost surely, 2^831200645 is an apocalyptic number.

It is an amenable number.

831200645 is a deficient number, since it is larger than the sum of its proper divisors (256916635).

831200645 is a wasteful number, since it uses less digits than its factorization.

831200645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15112755.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 831200645 is about 28830.5505497207. The cubic root of 831200645 is about 940.2325684544.

The spelling of 831200645 in words is "eight hundred thirty-one million, two hundred thousand, six hundred forty-five".