830870783947 has 2 divisors, whose sum is σ = 830870783948. Its totient is φ = 830870783946.

The previous prime is 830870783863. The next prime is 830870784053. The reversal of 830870783947 is 749387078038.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 830870783947 - 2³⁵ = 796511045579 is a prime.

It is not a weakly prime, because it can be changed into another prime (830870783647) 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, 415435391973 + 415435391974.

It is an arithmetic number, because the mean of its divisors is an integer number (415435391974).

Almost surely, 2^830870783947 is an apocalyptic number.

830870783947 is a deficient number, since it is larger than the sum of its proper divisors (1).

830870783947 is an equidigital number, since it uses as much as digits as its factorization.

830870783947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56899584, while the sum is 64.

The spelling of 830870783947 in words is "eight hundred thirty billion, eight hundred seventy million, seven hundred eighty-three thousand, nine hundred forty-seven".