806619534377 has 2 divisors, whose sum is σ = 806619534378. Its totient is φ = 806619534376.

The previous prime is 806619534367. The next prime is 806619534499. The reversal of 806619534377 is 773435916608.

806619534377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599616373801 + 207003160576 = 774349^2 + 454976^2 .

It is a cyclic number.

It is not a de Polignac number, because 806619534377 - 2¹⁴ = 806619517993 is a prime.

It is not a weakly prime, because it can be changed into another prime (806619534307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403309767188 + 403309767189.

It is an arithmetic number, because the mean of its divisors is an integer number (403309767189).

Almost surely, 2^806619534377 is an apocalyptic number.

It is an amenable number.

806619534377 is a deficient number, since it is larger than the sum of its proper divisors (1).

806619534377 is an equidigital number, since it uses as much as digits as its factorization.

806619534377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 59.

The spelling of 806619534377 in words is "eight hundred six billion, six hundred nineteen million, five hundred thirty-four thousand, three hundred seventy-seven".