859974697 has 2 divisors, whose sum is σ = 859974698. Its totient is φ = 859974696.

The previous prime is 859974691. The next prime is 859974749. The reversal of 859974697 is 796479958.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 726248601 + 133726096 = 26949^2 + 11564^2 .

It is a cyclic number.

It is not a de Polignac number, because 859974697 - 2⁷ = 859974569 is a prime.

It is not a weakly prime, because it can be changed into another prime (859974691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429987348 + 429987349.

It is an arithmetic number, because the mean of its divisors is an integer number (429987349).

Almost surely, 2^859974697 is an apocalyptic number.

It is an amenable number.

859974697 is a deficient number, since it is larger than the sum of its proper divisors (1).

859974697 is an equidigital number, since it uses as much as digits as its factorization.

859974697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 64.

The square root of 859974697 is about 29325.3251814878. The cubic root of 859974697 is about 950.9592147194.

The spelling of 859974697 in words is "eight hundred fifty-nine million, nine hundred seventy-four thousand, six hundred ninety-seven".