60774991 has 2 divisors, whose sum is σ = 60774992. Its totient is φ = 60774990.

The previous prime is 60774943. The next prime is 60775003. The reversal of 60774991 is 19947706.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60774991 - 2¹³ = 60766799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60774391) 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, 30387495 + 30387496.

It is an arithmetic number, because the mean of its divisors is an integer number (30387496).

Almost surely, 2^60774991 is an apocalyptic number.

60774991 is a deficient number, since it is larger than the sum of its proper divisors (1).

60774991 is an equidigital number, since it uses as much as digits as its factorization.

60774991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 60774991 is about 7795.8316426152. The cubic root of 60774991 is about 393.1651070484.

The spelling of 60774991 in words is "sixty million, seven hundred seventy-four thousand, nine hundred ninety-one".