70784051017 has 2 divisors, whose sum is σ = 70784051018. Its totient is φ = 70784051016.

The previous prime is 70784050979. The next prime is 70784051027. The reversal of 70784051017 is 71015048707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37920162361 + 32863888656 = 194731^2 + 181284^2 .

It is a cyclic number.

It is not a de Polignac number, because 70784051017 - 2²³ = 70775662409 is a prime.

It is not a weakly prime, because it can be changed into another prime (70784051027) 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, 35392025508 + 35392025509.

It is an arithmetic number, because the mean of its divisors is an integer number (35392025509).

Almost surely, 2^70784051017 is an apocalyptic number.

It is an amenable number.

70784051017 is a deficient number, since it is larger than the sum of its proper divisors (1).

70784051017 is an equidigital number, since it uses as much as digits as its factorization.

70784051017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54880, while the sum is 40.

It can be divided in two parts, 707840 and 51017, that added together give a palindrome (758857).

The spelling of 70784051017 in words is "seventy billion, seven hundred eighty-four million, fifty-one thousand, seventeen".