679228545 has 8 divisors (see below), whose sum is σ = 1086765696. Its totient is φ = 362255216.

The previous prime is 679228541. The next prime is 679228577. The reversal of 679228545 is 545822976.

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 679228545 - 2² = 679228541 is a prime.

It is a super-2 number, since 2×679228545² = 922702832685634050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 679228494 and 679228503.

It is not an unprimeable number, because it can be changed into a prime (679228541) 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, 22640937 + ... + 22640966.

It is an arithmetic number, because the mean of its divisors is an integer number (135845712).

Almost surely, 2^679228545 is an apocalyptic number.

It is an amenable number.

679228545 is a deficient number, since it is larger than the sum of its proper divisors (407537151).

679228545 is a wasteful number, since it uses less digits than its factorization.

679228545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45281911.

The product of its digits is 1209600, while the sum is 48.

The square root of 679228545 is about 26062.0134486958. The cubic root of 679228545 is about 879.0332638669.

It can be divided in two parts, 67922 and 8545, that added together give a palindrome (76467).

The spelling of 679228545 in words is "six hundred seventy-nine million, two hundred twenty-eight thousand, five hundred forty-five".