60786421 has 2 divisors, whose sum is σ = 60786422. Its totient is φ = 60786420.

The previous prime is 60786413. The next prime is 60786457. The reversal of 60786421 is 12468706.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53085796 + 7700625 = 7286^2 + 2775^2 .

It is a cyclic number.

It is not a de Polignac number, because 60786421 - 2³ = 60786413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60784421) 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, 30393210 + 30393211.

It is an arithmetic number, because the mean of its divisors is an integer number (30393211).

Almost surely, 2^60786421 is an apocalyptic number.

It is an amenable number.

60786421 is a deficient number, since it is larger than the sum of its proper divisors (1).

60786421 is an equidigital number, since it uses as much as digits as its factorization.

60786421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 60786421 is about 7796.5646922218. The cubic root of 60786421 is about 393.1897531263.

The spelling of 60786421 in words is "sixty million, seven hundred eighty-six thousand, four hundred twenty-one".