213877105 has 12 divisors (see below), whose sum is σ = 277914780. Its totient is φ = 157939392.

The previous prime is 213877099. The next prime is 213877151. The reversal of 213877105 is 501778312.

It can be written as a sum of positive squares in 6 ways, for example, as 1679616 + 212197489 = 1296^2 + 14567^2 .

It is not a de Polignac number, because 213877105 - 2¹⁹ = 213352817 is a prime.

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, 125710 + ... + 127399.

It is an arithmetic number, because the mean of its divisors is an integer number (23159565).

Almost surely, 2^213877105 is an apocalyptic number.

It is an amenable number.

213877105 is a deficient number, since it is larger than the sum of its proper divisors (64037675).

213877105 is a wasteful number, since it uses less digits than its factorization.

213877105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253140 (or 253127 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 213877105 is about 14624.5377704733. The cubic root of 213877105 is about 598.0278814977.

The spelling of 213877105 in words is "two hundred thirteen million, eight hundred seventy-seven thousand, one hundred five".