213885970783 has 8 divisors (see below), whose sum is σ = 225186027120. Its totient is φ = 202590204480.

The previous prime is 213885970741. The next prime is 213885970799. The reversal of 213885970783 is 387079588312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213885970783 - 2²¹ = 213883873631 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 (213885970723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969910 + ... + 1169827.

It is an arithmetic number, because the mean of its divisors is an integer number (28148253390).

Almost surely, 2^213885970783 is an apocalyptic number.

213885970783 is a deficient number, since it is larger than the sum of its proper divisors (11300056337).

213885970783 is a wasteful number, since it uses less digits than its factorization.

213885970783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145017.

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 213885970783 in words is "two hundred thirteen billion, eight hundred eighty-five million, nine hundred seventy thousand, seven hundred eighty-three".