662548573879 has 4 divisors (see below), whose sum is σ = 662552285560. Its totient is φ = 662544862200.

The previous prime is 662548573873. The next prime is 662548573909. The reversal of 662548573879 is 978375845266.

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 662548573879 - 2¹¹ = 662548571831 is a prime.

It is a super-2 number, since 2×662548573879² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662548573873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573797 + ... + 1949854.

It is an arithmetic number, because the mean of its divisors is an integer number (165638071390).

Almost surely, 2^662548573879 is an apocalyptic number.

662548573879 is a deficient number, since it is larger than the sum of its proper divisors (3711681).

662548573879 is a wasteful number, since it uses less digits than its factorization.

662548573879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711680.

The product of its digits is 609638400, while the sum is 70.

The spelling of 662548573879 in words is "six hundred sixty-two billion, five hundred forty-eight million, five hundred seventy-three thousand, eight hundred seventy-nine".