679220653 has 8 divisors (see below), whose sum is σ = 681876000. Its totient is φ = 676571568.

The previous prime is 679220651. The next prime is 679220693. The reversal of 679220653 is 356022976.

679220653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 679220653 - 2¹ = 679220651 is a prime.

It is a super-2 number, since 2×679220653² = 922681390923492818, which 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 (679220651) 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, 347523 + ... + 349471.

It is an arithmetic number, because the mean of its divisors is an integer number (85234500).

Almost surely, 2^679220653 is an apocalyptic number.

It is an amenable number.

679220653 is a deficient number, since it is larger than the sum of its proper divisors (2655347).

679220653 is a wasteful number, since it uses less digits than its factorization.

679220653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 679220653 is about 26061.8620401536. The cubic root of 679220653 is about 879.0298593391.

The spelling of 679220653 in words is "six hundred seventy-nine million, two hundred twenty thousand, six hundred fifty-three".