286772047 has 2 divisors, whose sum is σ = 286772048. Its totient is φ = 286772046.

The previous prime is 286772011. The next prime is 286772069. The reversal of 286772047 is 740277682.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-286772047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 286771994 and 286772012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (286772747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143386023 + 143386024.

It is an arithmetic number, because the mean of its divisors is an integer number (143386024).

Almost surely, 2^286772047 is an apocalyptic number.

286772047 is a deficient number, since it is larger than the sum of its proper divisors (1).

286772047 is an equidigital number, since it uses as much as digits as its factorization.

286772047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 286772047 is about 16934.3451895844. The cubic root of 286772047 is about 659.4455452086.

The spelling of 286772047 in words is "two hundred eighty-six million, seven hundred seventy-two thousand, forty-seven".