60821077 has 2 divisors, whose sum is σ = 60821078. Its totient is φ = 60821076.

The previous prime is 60821063. The next prime is 60821141. The reversal of 60821077 is 77012806.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58844241 + 1976836 = 7671^2 + 1406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60821077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60821027) 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, 30410538 + 30410539.

It is an arithmetic number, because the mean of its divisors is an integer number (30410539).

Almost surely, 2^60821077 is an apocalyptic number.

It is an amenable number.

60821077 is a deficient number, since it is larger than the sum of its proper divisors (1).

60821077 is an equidigital number, since it uses as much as digits as its factorization.

60821077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 60821077 is about 7798.7868928443. The cubic root of 60821077 is about 393.2644616719.

The spelling of 60821077 in words is "sixty million, eight hundred twenty-one thousand, seventy-seven".