859243097 has 8 divisors (see below), whose sum is σ = 861967680. Its totient is φ = 856524240.

The previous prime is 859243067. The next prime is 859243103. The reversal of 859243097 is 790342958.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 859243097 - 2¹⁴ = 859226713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (859243067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807788 + ... + 808850.

It is an arithmetic number, because the mean of its divisors is an integer number (107745960).

Almost surely, 2^859243097 is an apocalyptic number.

It is an amenable number.

859243097 is a deficient number, since it is larger than the sum of its proper divisors (2724583).

859243097 is a wasteful number, since it uses less digits than its factorization.

859243097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 859243097 is about 29312.8486674359. The cubic root of 859243097 is about 950.6894706808.

The spelling of 859243097 in words is "eight hundred fifty-nine million, two hundred forty-three thousand, ninety-seven".