2850386686 has 24 divisors (see below), whose sum is σ = 5022044496. Its totient is φ = 1188570240.

The previous prime is 2850386657. The next prime is 2850386761. The reversal of 2850386686 is 6866830582.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55195 + ... + 93526.

It is an arithmetic number, because the mean of its divisors is an integer number (209251854).

Almost surely, 2^2850386686 is an apocalyptic number.

2850386686 is a deficient number, since it is larger than the sum of its proper divisors (2171657810).

2850386686 is a wasteful number, since it uses less digits than its factorization.

2850386686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148804 (or 148767 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The square root of 2850386686 is about 53389.0127835307. The cubic root of 2850386686 is about 1417.8640581515.

The spelling of 2850386686 in words is "two billion, eight hundred fifty million, three hundred eighty-six thousand, six hundred eighty-six".