780695870083 has 2 divisors, whose sum is σ = 780695870084. Its totient is φ = 780695870082.

The previous prime is 780695870081. The next prime is 780695870093. The reversal of 780695870083 is 380078596087.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 780695870083 - 2¹ = 780695870081 is a prime.

Together with 780695870081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (780695870081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390347935041 + 390347935042.

It is an arithmetic number, because the mean of its divisors is an integer number (390347935042).

Almost surely, 2^780695870083 is an apocalyptic number.

780695870083 is a deficient number, since it is larger than the sum of its proper divisors (1).

780695870083 is an equidigital number, since it uses as much as digits as its factorization.

780695870083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 780695870083 in words is "seven hundred eighty billion, six hundred ninety-five million, eight hundred seventy thousand, eighty-three".