200785972043 has 2 divisors, whose sum is σ = 200785972044. Its totient is φ = 200785972042.

The previous prime is 200785972001. The next prime is 200785972063. The reversal of 200785972043 is 340279587002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200785972043 - 2²⁶ = 200718863179 is a prime.

It is not a weakly prime, because it can be changed into another prime (200785972063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100392986021 + 100392986022.

It is an arithmetic number, because the mean of its divisors is an integer number (100392986022).

Almost surely, 2^200785972043 is an apocalyptic number.

200785972043 is a deficient number, since it is larger than the sum of its proper divisors (1).

200785972043 is an equidigital number, since it uses as much as digits as its factorization.

200785972043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 200785972043 in words is "two hundred billion, seven hundred eighty-five million, nine hundred seventy-two thousand, forty-three".