70782369979 has 2 divisors, whose sum is σ = 70782369980. Its totient is φ = 70782369978.

The previous prime is 70782369971. The next prime is 70782369989. The reversal of 70782369979 is 97996328707.

It is a weak prime.

It is an emirp because it is prime and its reverse (97996328707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70782369979 - 2³ = 70782369971 is a prime.

It is not a weakly prime, because it can be changed into another prime (70782369971) 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, 35391184989 + 35391184990.

It is an arithmetic number, because the mean of its divisors is an integer number (35391184990).

Almost surely, 2^70782369979 is an apocalyptic number.

70782369979 is a deficient number, since it is larger than the sum of its proper divisors (1).

70782369979 is an equidigital number, since it uses as much as digits as its factorization.

70782369979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72013536, while the sum is 67.

The spelling of 70782369979 in words is "seventy billion, seven hundred eighty-two million, three hundred sixty-nine thousand, nine hundred seventy-nine".