835680493668 has 24 divisors (see below), whose sum is σ = 1949936968672. Its totient is φ = 278557905024.

The previous prime is 835680493657. The next prime is 835680493673. The reversal of 835680493668 is 866394086538.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 835680493599 and 835680493608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1989771 + ... + 2372877.

Almost surely, 2^835680493668 is an apocalyptic number.

It is an amenable number.

835680493668 is an abundant number, since it is smaller than the sum of its proper divisors (1114256475004).

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

835680493668 is a wasteful number, since it uses less digits than its factorization.

835680493668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564891 (or 564889 counting only the distinct ones).

The product of its (nonzero) digits is 179159040, while the sum is 66.

The spelling of 835680493668 in words is "eight hundred thirty-five billion, six hundred eighty million, four hundred ninety-three thousand, six hundred sixty-eight".