859934427 has 16 divisors (see below), whose sum is σ = 1284621312. Its totient is φ = 507085920.

The previous prime is 859934423. The next prime is 859934429. The reversal of 859934427 is 724439958.

It is not a de Polignac number, because 859934427 - 2² = 859934423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 859934427.

It is not an unprimeable number, because it can be changed into a prime (859934423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350923 + ... + 353364.

It is an arithmetic number, because the mean of its divisors is an integer number (80288832).

Almost surely, 2^859934427 is an apocalyptic number.

859934427 is a deficient number, since it is larger than the sum of its proper divisors (424686885).

859934427 is a wasteful number, since it uses less digits than its factorization.

859934427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704338.

The product of its digits is 2177280, while the sum is 51.

The square root of 859934427 is about 29324.6385655476. The cubic root of 859934427 is about 950.9443709783.

The spelling of 859934427 in words is "eight hundred fifty-nine million, nine hundred thirty-four thousand, four hundred twenty-seven".