679303615386 has 48 divisors (see below), whose sum is σ = 1493622460512. Its totient is φ = 205811353440.

The previous prime is 679303615379. The next prime is 679303615399. The reversal of 679303615386 is 683516303976.

679303615386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×679303615386² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3954640 + ... + 4122836.

It is an arithmetic number, because the mean of its divisors is an integer number (31117134594).

Almost surely, 2^679303615386 is an apocalyptic number.

679303615386 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

679303615386 is an abundant number, since it is smaller than the sum of its proper divisors (814318845126).

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

679303615386 is a wasteful number, since it uses less digits than its factorization.

679303615386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173787 (or 173776 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 57.

The spelling of 679303615386 in words is "six hundred seventy-nine billion, three hundred three million, six hundred fifteen thousand, three hundred eighty-six".