77480633 has 2 divisors, whose sum is σ = 77480634. Its totient is φ = 77480632.

The previous prime is 77480591. The next prime is 77480639. The reversal of 77480633 is 33608477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74425129 + 3055504 = 8627^2 + 1748^2 .

It is a cyclic number.

It is not a de Polignac number, because 77480633 - 2⁶ = 77480569 is a prime.

It is not a weakly prime, because it can be changed into another prime (77480639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38740316 + 38740317.

It is an arithmetic number, because the mean of its divisors is an integer number (38740317).

Almost surely, 2^77480633 is an apocalyptic number.

It is an amenable number.

77480633 is a deficient number, since it is larger than the sum of its proper divisors (1).

77480633 is an equidigital number, since it uses as much as digits as its factorization.

77480633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 77480633 is about 8802.3083904167. The cubic root of 77480633 is about 426.3154316297.

The spelling of 77480633 in words is "seventy-seven million, four hundred eighty thousand, six hundred thirty-three".