679100645871 has 40 divisors (see below), whose sum is σ = 1024917594624. Its totient is φ = 448069924800.

The previous prime is 679100645869. The next prime is 679100645887. The reversal of 679100645871 is 178546001976.

It is not a de Polignac number, because 679100645871 - 2¹ = 679100645869 is a prime.

It is a super-3 number, since 3×679100645871³ (a number of 36 digits) contains 333 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 (679100645831) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21966901 + ... + 21997793.

Almost surely, 2^679100645871 is an apocalyptic number.

679100645871 is a deficient number, since it is larger than the sum of its proper divisors (345816948753).

679100645871 is a wasteful number, since it uses less digits than its factorization.

679100645871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33693 (or 33684 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 679100645871 in words is "six hundred seventy-nine billion, one hundred million, six hundred forty-five thousand, eight hundred seventy-one".