662097859 has 4 divisors (see below), whose sum is σ = 663670960. Its totient is φ = 660524760.

The previous prime is 662097851. The next prime is 662097893. The reversal of 662097859 is 958790266.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 662097859 - 2³ = 662097851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662097851) 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, 785919 + ... + 786760.

It is an arithmetic number, because the mean of its divisors is an integer number (165917740).

Almost surely, 2^662097859 is an apocalyptic number.

662097859 is a deficient number, since it is larger than the sum of its proper divisors (1573101).

662097859 is a wasteful number, since it uses less digits than its factorization.

662097859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573100.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 662097859 is about 25731.2622892854. The cubic root of 662097859 is about 871.5802779570.

The spelling of 662097859 in words is "six hundred sixty-two million, ninety-seven thousand, eight hundred fifty-nine".