7954374979 has 2 divisors, whose sum is σ = 7954374980. Its totient is φ = 7954374978.

The previous prime is 7954374977. The next prime is 7954375067. The reversal of 7954374979 is 9794734597.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7954374979 - 2¹ = 7954374977 is a prime.

Together with 7954374977, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7954374979.

It is not a weakly prime, because it can be changed into another prime (7954374977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3977187489 + 3977187490.

It is an arithmetic number, because the mean of its divisors is an integer number (3977187490).

Almost surely, 2^7954374979 is an apocalyptic number.

7954374979 is a deficient number, since it is larger than the sum of its proper divisors (1).

7954374979 is an equidigital number, since it uses as much as digits as its factorization.

7954374979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60011280, while the sum is 64.

The square root of 7954374979 is about 89187.3027902515. The cubic root of 7954374979 is about 1996.1906640027.

The spelling of 7954374979 in words is "seven billion, nine hundred fifty-four million, three hundred seventy-four thousand, nine hundred seventy-nine".