866725373 has 4 divisors (see below), whose sum is σ = 894684288. Its totient is φ = 838766460.

The previous prime is 866725369. The next prime is 866725421. The reversal of 866725373 is 373527668.

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 866725373 - 2² = 866725369 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 (866725313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13979411 + ... + 13979472.

It is an arithmetic number, because the mean of its divisors is an integer number (223671072).

Almost surely, 2^866725373 is an apocalyptic number.

It is an amenable number.

866725373 is a deficient number, since it is larger than the sum of its proper divisors (27958915).

866725373 is a wasteful number, since it uses less digits than its factorization.

866725373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27958914.

The product of its digits is 1270080, while the sum is 47.

The square root of 866725373 is about 29440.1999483699. The cubic root of 866725373 is about 953.4410291095.

The spelling of 866725373 in words is "eight hundred sixty-six million, seven hundred twenty-five thousand, three hundred seventy-three".