77494063 has 2 divisors, whose sum is σ = 77494064. Its totient is φ = 77494062.

The previous prime is 77494049. The next prime is 77494093. The reversal of 77494063 is 36049477.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77494063 - 2⁹ = 77493551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77494013) 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, 38747031 + 38747032.

It is an arithmetic number, because the mean of its divisors is an integer number (38747032).

Almost surely, 2^77494063 is an apocalyptic number.

77494063 is a deficient number, since it is larger than the sum of its proper divisors (1).

77494063 is an equidigital number, since it uses as much as digits as its factorization.

77494063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 77494063 is about 8803.0712254304. The cubic root of 77494063 is about 426.3400618083.

The spelling of 77494063 in words is "seventy-seven million, four hundred ninety-four thousand, sixty-three".