672830505868 has 12 divisors (see below), whose sum is σ = 1177516552240. Its totient is φ = 336397205232.

The previous prime is 672830505859. The next prime is 672830505869. The reversal of 672830505868 is 868505038276.

It is a happy number.

672830505868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (672830505869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4427871 + ... + 4577302.

Almost surely, 2^672830505868 is an apocalyptic number.

It is an amenable number.

672830505868 is a deficient number, since it is larger than the sum of its proper divisors (504686046372).

672830505868 is a wasteful number, since it uses less digits than its factorization.

672830505868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9023856 (or 9023854 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 672830505868 in words is "six hundred seventy-two billion, eight hundred thirty million, five hundred five thousand, eight hundred sixty-eight".