10186779906 has 48 divisors (see below), whose sum is σ = 22583193984. Its totient is φ = 3317120352.

The previous prime is 10186779881. The next prime is 10186779913. The reversal of 10186779906 is 60997768101.

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, 451756 + ... + 473768.

It is an arithmetic number, because the mean of its divisors is an integer number (470483208).

Almost surely, 2^10186779906 is an apocalyptic number.

10186779906 is an abundant number, since it is smaller than the sum of its proper divisors (12396414078).

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

10186779906 is a wasteful number, since it uses less digits than its factorization.

10186779906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22615 (or 22612 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 10186779906 in words is "ten billion, one hundred eighty-six million, seven hundred seventy-nine thousand, nine hundred six".