679470263 has 4 divisors (see below), whose sum is σ = 719439120. Its totient is φ = 639501408.

The previous prime is 679470241. The next prime is 679470293. The reversal of 679470263 is 362074976.

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 679470263 - 2¹⁰ = 679469239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679470293) 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, 19984403 + ... + 19984436.

It is an arithmetic number, because the mean of its divisors is an integer number (179859780).

Almost surely, 2^679470263 is an apocalyptic number.

679470263 is a deficient number, since it is larger than the sum of its proper divisors (39968857).

679470263 is a wasteful number, since it uses less digits than its factorization.

679470263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39968856.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 679470263 is about 26066.6503985456. The cubic root of 679470263 is about 879.1375257603.

The spelling of 679470263 in words is "six hundred seventy-nine million, four hundred seventy thousand, two hundred sixty-three".