213772799 has 2 divisors, whose sum is σ = 213772800. Its totient is φ = 213772798.

The previous prime is 213772759. The next prime is 213772831. The reversal of 213772799 is 997277312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213772799 - 2¹² = 213768703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213772759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106886399 + 106886400.

It is an arithmetic number, because the mean of its divisors is an integer number (106886400).

Almost surely, 2^213772799 is an apocalyptic number.

213772799 is a deficient number, since it is larger than the sum of its proper divisors (1).

213772799 is an equidigital number, since it uses as much as digits as its factorization.

213772799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 333396, while the sum is 47.

The square root of 213772799 is about 14620.9712057715. The cubic root of 213772799 is about 597.9306480276.

The spelling of 213772799 in words is "two hundred thirteen million, seven hundred seventy-two thousand, seven hundred ninety-nine".