77825063 has 2 divisors, whose sum is σ = 77825064. Its totient is φ = 77825062.

The previous prime is 77825003. The next prime is 77825131. The reversal of 77825063 is 36052877.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77825063 - 2¹⁰ = 77824039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77825003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38912531 + 38912532.

It is an arithmetic number, because the mean of its divisors is an integer number (38912532).

Almost surely, 2^77825063 is an apocalyptic number.

77825063 is a deficient number, since it is larger than the sum of its proper divisors (1).

77825063 is an equidigital number, since it uses as much as digits as its factorization.

77825063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 77825063 is about 8821.8514496675. The cubic root of 77825063 is about 426.9462076675.

The spelling of 77825063 in words is "seventy-seven million, eight hundred twenty-five thousand, sixty-three".