679498045 has 16 divisors (see below), whose sum is σ = 870410880. Its totient is φ = 507729600.

The previous prime is 679498031. The next prime is 679498049. The reversal of 679498045 is 540894976.

It is a happy number.

It is not a de Polignac number, because 679498045 - 2⁵ = 679498013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 679497983 and 679498001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679498049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43626 + ... + 57115.

It is an arithmetic number, because the mean of its divisors is an integer number (54400680).

Almost surely, 2^679498045 is an apocalyptic number.

It is an amenable number.

679498045 is a deficient number, since it is larger than the sum of its proper divisors (190912835).

679498045 is a wasteful number, since it uses less digits than its factorization.

679498045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100836.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 679498045 is about 26067.1832962443. The cubic root of 679498045 is about 879.1495075777.

The spelling of 679498045 in words is "six hundred seventy-nine million, four hundred ninety-eight thousand, forty-five".