77690083 has 2 divisors, whose sum is σ = 77690084. Its totient is φ = 77690082.

The previous prime is 77690033. The next prime is 77690131. The reversal of 77690083 is 38009677.

It is a strong prime.

It is an emirp because it is prime and its reverse (38009677) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77690083 - 2⁹ = 77689571 is a prime.

It is not a weakly prime, because it can be changed into another prime (77690023) 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, 38845041 + 38845042.

It is an arithmetic number, because the mean of its divisors is an integer number (38845042).

Almost surely, 2^77690083 is an apocalyptic number.

77690083 is a deficient number, since it is larger than the sum of its proper divisors (1).

77690083 is an equidigital number, since it uses as much as digits as its factorization.

77690083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 77690083 is about 8814.1978080821. The cubic root of 77690083 is about 426.6992326082.

The spelling of 77690083 in words is "seventy-seven million, six hundred ninety thousand, eighty-three".