213810329877 has 16 divisors (see below), whose sum is σ = 297668179968. Its totient is φ = 136254389040.

The previous prime is 213810329867. The next prime is 213810329903. The reversal of 213810329877 is 778923018312.

It is not a de Polignac number, because 213810329877 - 2⁷ = 213810329749 is a prime.

It is a super-3 number, since 3×213810329877³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213810329867) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 897649 + ... + 1110582.

It is an arithmetic number, because the mean of its divisors is an integer number (18604261248).

Almost surely, 2^213810329877 is an apocalyptic number.

It is an amenable number.

213810329877 is a deficient number, since it is larger than the sum of its proper divisors (83857850091).

213810329877 is a wasteful number, since it uses less digits than its factorization.

213810329877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009800.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 213810329877 in words is "two hundred thirteen billion, eight hundred ten million, three hundred twenty-nine thousand, eight hundred seventy-seven".