813873075 has 48 divisors (see below), whose sum is σ = 1420742400. Its totient is φ = 409968000.

The previous prime is 813873007. The next prime is 813873077. The reversal of 813873075 is 570378318.

813873075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 813873075 - 2⁸ = 813872819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (813873077) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 624925 + ... + 626225.

It is an arithmetic number, because the mean of its divisors is an integer number (29598800).

Almost surely, 2^813873075 is an apocalyptic number.

813873075 is a deficient number, since it is larger than the sum of its proper divisors (606869325).

813873075 is a wasteful number, since it uses less digits than its factorization.

813873075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 813873075 is about 28528.4607891838. The cubic root of 813873075 is about 933.6531362275.

The spelling of 813873075 in words is "eight hundred thirteen million, eight hundred seventy-three thousand, seventy-five".