70797678943 has 2 divisors, whose sum is σ = 70797678944. Its totient is φ = 70797678942.

The previous prime is 70797678911. The next prime is 70797678983. The reversal of 70797678943 is 34987679707.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70797678943 - 2⁵ = 70797678911 is a prime.

It is a super-2 number, since 2×70797678943² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70797678983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35398839471 + 35398839472.

It is an arithmetic number, because the mean of its divisors is an integer number (35398839472).

Almost surely, 2^70797678943 is an apocalyptic number.

70797678943 is a deficient number, since it is larger than the sum of its proper divisors (1).

70797678943 is an equidigital number, since it uses as much as digits as its factorization.

70797678943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112021056, while the sum is 67.

The spelling of 70797678943 in words is "seventy billion, seven hundred ninety-seven million, six hundred seventy-eight thousand, nine hundred forty-three".