79925674043 has 2 divisors, whose sum is σ = 79925674044. Its totient is φ = 79925674042.

The previous prime is 79925674039. The next prime is 79925674057. The reversal of 79925674043 is 34047652997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79925674043 - 2² = 79925674039 is a prime.

It is a super-2 number, since 2×79925674043² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79925674043.

It is not a weakly prime, because it can be changed into another prime (79925674013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39962837021 + 39962837022.

It is an arithmetic number, because the mean of its divisors is an integer number (39962837022).

Almost surely, 2^79925674043 is an apocalyptic number.

79925674043 is a deficient number, since it is larger than the sum of its proper divisors (1).

79925674043 is an equidigital number, since it uses as much as digits as its factorization.

79925674043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 79925674043 in words is "seventy-nine billion, nine hundred twenty-five million, six hundred seventy-four thousand, forty-three".