662055859 has 4 divisors (see below), whose sum is σ = 663723904. Its totient is φ = 660387816.

The previous prime is 662055841. The next prime is 662055887. The reversal of 662055859 is 958550266.

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 662055859 - 2⁷ = 662055731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662055839) 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, 833427 + ... + 834220.

It is an arithmetic number, because the mean of its divisors is an integer number (165930976).

Almost surely, 2^662055859 is an apocalyptic number.

662055859 is a deficient number, since it is larger than the sum of its proper divisors (1668045).

662055859 is a wasteful number, since it uses less digits than its factorization.

662055859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668044.

The product of its (nonzero) digits is 648000, while the sum is 46.

The square root of 662055859 is about 25730.4461484833. The cubic root of 662055859 is about 871.5618480803.

The spelling of 662055859 in words is "six hundred sixty-two million, fifty-five thousand, eight hundred fifty-nine".