200070861 has 4 divisors (see below), whose sum is σ = 266761152. Its totient is φ = 133380572.

The previous prime is 200070851. The next prime is 200070863. The reversal of 200070861 is 168070002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200070861 - 2⁹ = 200070349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200070863) 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, 33345141 + ... + 33345146.

It is an arithmetic number, because the mean of its divisors is an integer number (66690288).

Almost surely, 2^200070861 is an apocalyptic number.

It is an amenable number.

200070861 is a deficient number, since it is larger than the sum of its proper divisors (66690291).

200070861 is an equidigital number, since it uses as much as digits as its factorization.

200070861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66690290.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 200070861 is about 14144.6407165400. The cubic root of 200070861 is about 584.8726057610.

The spelling of 200070861 in words is "two hundred million, seventy thousand, eight hundred sixty-one".