873907397 has 4 divisors (see below), whose sum is σ = 953353536. Its totient is φ = 794461260.

The previous prime is 873907393. The next prime is 873907421. The reversal of 873907397 is 793709378.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 873907397 - 2² = 873907393 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 (873907393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39723053 + ... + 39723074.

It is an arithmetic number, because the mean of its divisors is an integer number (238338384).

Almost surely, 2^873907397 is an apocalyptic number.

It is an amenable number.

873907397 is a deficient number, since it is larger than the sum of its proper divisors (79446139).

873907397 is a wasteful number, since it uses less digits than its factorization.

873907397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79446138.

The product of its (nonzero) digits is 2000376, while the sum is 53.

The square root of 873907397 is about 29561.9247851015. The cubic root of 873907397 is about 956.0673161664.

The spelling of 873907397 in words is "eight hundred seventy-three million, nine hundred seven thousand, three hundred ninety-seven".