77697083 has 2 divisors, whose sum is σ = 77697084. Its totient is φ = 77697082.

The previous prime is 77697071. The next prime is 77697101. The reversal of 77697083 is 38079677.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77697083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (77697283) 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, 38848541 + 38848542.

It is an arithmetic number, because the mean of its divisors is an integer number (38848542).

Almost surely, 2^77697083 is an apocalyptic number.

77697083 is a deficient number, since it is larger than the sum of its proper divisors (1).

77697083 is an equidigital number, since it uses as much as digits as its factorization.

77697083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 77697083 is about 8814.5948857562. The cubic root of 77697083 is about 426.7120476497.

The spelling of 77697083 in words is "seventy-seven million, six hundred ninety-seven thousand, eighty-three".