213835030677 has 32 divisors (see below), whose sum is σ = 319978630400. Its totient is φ = 141123949056.

The previous prime is 213835030667. The next prime is 213835030679. The reversal of 213835030677 is 776030538312.

213835030677 is a `hidden beast` number, since 2 + 1 + 3 + 83 + 503 + 0 + 67 + 7 = 666.

It is not a de Polignac number, because 213835030677 - 2⁶ = 213835030613 is a prime.

It is a super-3 number, since 3×213835030677³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213835030679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9201849 + ... + 9225057.

It is an arithmetic number, because the mean of its divisors is an integer number (9999332200).

Almost surely, 2^213835030677 is an apocalyptic number.

213835030677 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

213835030677 is a deficient number, since it is larger than the sum of its proper divisors (106143599723).

213835030677 is a wasteful number, since it uses less digits than its factorization.

213835030677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26634 (or 26628 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

Adding to 213835030677 its reverse (776030538312), we get a palindrome (989865568989).

The spelling of 213835030677 in words is "two hundred thirteen billion, eight hundred thirty-five million, thirty thousand, six hundred seventy-seven".