77146963 has 2 divisors, whose sum is σ = 77146964. Its totient is φ = 77146962.

The previous prime is 77146933. The next prime is 77146981. The reversal of 77146963 is 36964177.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77146963 - 2¹³ = 77138771 is a prime.

It is not a weakly prime, because it can be changed into another prime (77146903) 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, 38573481 + 38573482.

It is an arithmetic number, because the mean of its divisors is an integer number (38573482).

Almost surely, 2^77146963 is an apocalyptic number.

77146963 is a deficient number, since it is larger than the sum of its proper divisors (1).

77146963 is an equidigital number, since it uses as much as digits as its factorization.

77146963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 77146963 is about 8783.3343896268. The cubic root of 77146963 is about 425.7025758650.

The spelling of 77146963 in words is "seventy-seven million, one hundred forty-six thousand, nine hundred sixty-three".