36447797 has 2 divisors, whose sum is σ = 36447798. Its totient is φ = 36447796.

The previous prime is 36447793. The next prime is 36447821. The reversal of 36447797 is 79774463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24344356 + 12103441 = 4934^2 + 3479^2 .

It is a cyclic number.

It is not a de Polignac number, because 36447797 - 2² = 36447793 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36447793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18223898 + 18223899.

It is an arithmetic number, because the mean of its divisors is an integer number (18223899).

Almost surely, 2^36447797 is an apocalyptic number.

It is an amenable number.

36447797 is a deficient number, since it is larger than the sum of its proper divisors (1).

36447797 is an equidigital number, since it uses as much as digits as its factorization.

36447797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 47.

The square root of 36447797 is about 6037.2010899091. The cubic root of 36447797 is about 331.5561549724.

The spelling of 36447797 in words is "thirty-six million, four hundred forty-seven thousand, seven hundred ninety-seven".