679312563 has 8 divisors (see below), whose sum is σ = 930229968. Its totient is φ = 440635104.

The previous prime is 679312561. The next prime is 679312577. The reversal of 679312563 is 365213976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 679312563 - 2¹ = 679312561 is a prime.

It is a super-3 number, since 3×679312563³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (679312561) 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, 3059856 + ... + 3060077.

It is an arithmetic number, because the mean of its divisors is an integer number (116278746).

Almost surely, 2^679312563 is an apocalyptic number.

679312563 is a deficient number, since it is larger than the sum of its proper divisors (250917405).

679312563 is a wasteful number, since it uses less digits than its factorization.

679312563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6119973.

The product of its digits is 204120, while the sum is 42.

The square root of 679312563 is about 26063.6252850596. The cubic root of 679312563 is about 879.0695067350.

The spelling of 679312563 in words is "six hundred seventy-nine million, three hundred twelve thousand, five hundred sixty-three".