679269880 has 32 divisors (see below), whose sum is σ = 1529364240. Its totient is φ = 271528960.

The previous prime is 679269821. The next prime is 679269883. The reversal of 679269880 is 88962976.

It is a super-5 number, since 5×679269880⁵ (a number of 45 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679269883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67752 + ... + 77128.

Almost surely, 2^679269880 is an apocalyptic number.

It is an amenable number.

679269880 is an abundant number, since it is smaller than the sum of its proper divisors (850094360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679269880 is a wasteful number, since it uses less digits than its factorization.

679269880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11199 (or 11195 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 679269880 is about 26062.8064490377. The cubic root of 679269880 is about 879.0510949309.

The spelling of 679269880 in words is "six hundred seventy-nine million, two hundred sixty-nine thousand, eight hundred eighty".