679380553 has 8 divisors (see below), whose sum is σ = 693765000. Its totient is φ = 665054208.

The previous prime is 679380539. The next prime is 679380613. The reversal of 679380553 is 355083976.

It can be written as a sum of positive squares in 4 ways, for example, as 100160064 + 579220489 = 10008^2 + 24067^2 .

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 679380553 - 2¹⁷ = 679249481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679390553) 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, 9523 + ... + 38071.

It is an arithmetic number, because the mean of its divisors is an integer number (86720625).

Almost surely, 2^679380553 is an apocalyptic number.

It is an amenable number.

679380553 is a deficient number, since it is larger than the sum of its proper divisors (14384447).

679380553 is a wasteful number, since it uses less digits than its factorization.

679380553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29051.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 679380553 is about 26064.9295606184. The cubic root of 679380553 is about 879.0988334128.

The spelling of 679380553 in words is "six hundred seventy-nine million, three hundred eighty thousand, five hundred fifty-three".