213104655767 has 16 divisors (see below), whose sum is σ = 222595238112. Its totient is φ = 203814817920.

The previous prime is 213104655721. The next prime is 213104655781. The reversal of 213104655767 is 767556401312.

It is a cyclic number.

It is not a de Polignac number, because 213104655767 - 2²⁴ = 213087878551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213104652767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3574868 + ... + 3633990.

It is an arithmetic number, because the mean of its divisors is an integer number (13912202382).

Almost surely, 2^213104655767 is an apocalyptic number.

213104655767 is a deficient number, since it is larger than the sum of its proper divisors (9490582345).

213104655767 is a wasteful number, since it uses less digits than its factorization.

213104655767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60818.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 213104655767 in words is "two hundred thirteen billion, one hundred four million, six hundred fifty-five thousand, seven hundred sixty-seven".