213200647767 has 12 divisors (see below), whose sum is σ = 307970941200. Its totient is φ = 142127095968.

The previous prime is 213200647747. The next prime is 213200647769. The reversal of 213200647767 is 767746002312.

It is not a de Polignac number, because 213200647767 - 2⁸ = 213200647511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213200647769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349267 + ... + 740532.

It is an arithmetic number, because the mean of its divisors is an integer number (25664245100).

Almost surely, 2^213200647767 is an apocalyptic number.

213200647767 is a deficient number, since it is larger than the sum of its proper divisors (94770293433).

213200647767 is a wasteful number, since it uses less digits than its factorization.

213200647767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111542 (or 1111539 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 213200647767 in words is "two hundred thirteen billion, two hundred million, six hundred forty-seven thousand, seven hundred sixty-seven".