859623473 has 4 divisors (see below), whose sum is σ = 861488628. Its totient is φ = 857758320.

The previous prime is 859623469. The next prime is 859623493. The reversal of 859623473 is 374326958.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374326958 = 2 ⋅187163479.

It can be written as a sum of positive squares in 2 ways, for example, as 81938704 + 777684769 = 9052^2 + 27887^2 .

It is a cyclic number.

It is not a de Polignac number, because 859623473 - 2² = 859623469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (859623493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 931886 + ... + 932807.

It is an arithmetic number, because the mean of its divisors is an integer number (215372157).

Almost surely, 2^859623473 is an apocalyptic number.

It is an amenable number.

859623473 is a deficient number, since it is larger than the sum of its proper divisors (1865155).

859623473 is a wasteful number, since it uses less digits than its factorization.

859623473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865154.

The product of its digits is 1088640, while the sum is 47.

The square root of 859623473 is about 29319.3361623349. The cubic root of 859623473 is about 950.8297360341.

The spelling of 859623473 in words is "eight hundred fifty-nine million, six hundred twenty-three thousand, four hundred seventy-three".