213775655770 has 16 divisors (see below), whose sum is σ = 384842016000. Its totient is φ = 85500076624.

The previous prime is 213775655689. The next prime is 213775655783. The reversal of 213775655770 is 77556577312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184770 + ... + 1353229.

It is an arithmetic number, because the mean of its divisors is an integer number (24052626000).

Almost surely, 2^213775655770 is an apocalyptic number.

213775655770 is a deficient number, since it is larger than the sum of its proper divisors (171066360230).

213775655770 is a wasteful number, since it uses less digits than its factorization.

213775655770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546429.

The product of its (nonzero) digits is 10804500, while the sum is 55.

The spelling of 213775655770 in words is "two hundred thirteen billion, seven hundred seventy-five million, six hundred fifty-five thousand, seven hundred seventy".