213858587803 has 4 divisors (see below), whose sum is σ = 244409814640. Its totient is φ = 183307360968.

The previous prime is 213858587791. The next prime is 213858587819. The reversal of 213858587803 is 308785858312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213858587803 - 2¹³ = 213858579611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213858587893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15275613408 + ... + 15275613421.

It is an arithmetic number, because the mean of its divisors is an integer number (61102453660).

Almost surely, 2^213858587803 is an apocalyptic number.

213858587803 is a deficient number, since it is larger than the sum of its proper divisors (30551226837).

213858587803 is an equidigital number, since it uses as much as digits as its factorization.

213858587803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30551226836.

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 213858587803 in words is "two hundred thirteen billion, eight hundred fifty-eight million, five hundred eighty-seven thousand, eight hundred three".