77806483 has 2 divisors, whose sum is σ = 77806484. Its totient is φ = 77806482.

The previous prime is 77806481. The next prime is 77806499. The reversal of 77806483 is 38460877.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77806483 - 2¹ = 77806481 is a prime.

Together with 77806481, it forms a pair of twin primes.

It is equal to p_4548886 and since 77806483 and 4548886 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (77806481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38903241 + 38903242.

It is an arithmetic number, because the mean of its divisors is an integer number (38903242).

Almost surely, 2^77806483 is an apocalyptic number.

77806483 is a deficient number, since it is larger than the sum of its proper divisors (1).

77806483 is an equidigital number, since it uses as much as digits as its factorization.

77806483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 77806483 is about 8820.7983198801. The cubic root of 77806483 is about 426.9122285028.

The spelling of 77806483 in words is "seventy-seven million, eight hundred six thousand, four hundred eighty-three".