679232869 has 4 divisors (see below), whose sum is σ = 776266144. Its totient is φ = 582199596.

The previous prime is 679232837. The next prime is 679232927. The reversal of 679232869 is 968232976.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 679232869 - 2⁵ = 679232837 is a prime.

It is a super-2 number, since 2×679232869² = 922714580659942322, 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 (679232819) 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, 48516627 + ... + 48516640.

It is an arithmetic number, because the mean of its divisors is an integer number (194066536).

Almost surely, 2^679232869 is an apocalyptic number.

It is an amenable number.

679232869 is a deficient number, since it is larger than the sum of its proper divisors (97033275).

679232869 is an equidigital number, since it uses as much as digits as its factorization.

679232869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97033274.

The product of its digits is 1959552, while the sum is 52.

The square root of 679232869 is about 26062.0964045489. The cubic root of 679232869 is about 879.0351291849.

The spelling of 679232869 in words is "six hundred seventy-nine million, two hundred thirty-two thousand, eight hundred sixty-nine".