77324201 has 2 divisors, whose sum is σ = 77324202. Its totient is φ = 77324200.

The previous prime is 77324197. The next prime is 77324207. The reversal of 77324201 is 10242377.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63186601 + 14137600 = 7949^2 + 3760^2 .

It is a cyclic number.

It is not a de Polignac number, because 77324201 - 2² = 77324197 is a prime.

It is not a weakly prime, because it can be changed into another prime (77324207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38662100 + 38662101.

It is an arithmetic number, because the mean of its divisors is an integer number (38662101).

Almost surely, 2^77324201 is an apocalyptic number.

It is an amenable number.

77324201 is a deficient number, since it is larger than the sum of its proper divisors (1).

77324201 is an equidigital number, since it uses as much as digits as its factorization.

77324201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 77324201 is about 8793.4180498825. The cubic root of 77324201 is about 426.0283306043.

Adding to 77324201 its reverse (10242377), we get a palindrome (87566578).

The spelling of 77324201 in words is "seventy-seven million, three hundred twenty-four thousand, two hundred one".