210813677822 has 16 divisors (see below), whose sum is σ = 344975956992. Its totient is φ = 95822143320.

The previous prime is 210813677777. The next prime is 210813677917. The reversal of 210813677822 is 228776318012.

It is a congruent number.

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, 1164473 + ... + 1333275.

It is an arithmetic number, because the mean of its divisors is an integer number (21560997312).

Almost surely, 2^210813677822 is an apocalyptic number.

210813677822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210813677822 is a deficient number, since it is larger than the sum of its proper divisors (134162279170).

210813677822 is a wasteful number, since it uses less digits than its factorization.

210813677822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225583.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 210813677822 in words is "two hundred ten billion, eight hundred thirteen million, six hundred seventy-seven thousand, eight hundred twenty-two".