79554347 has 2 divisors, whose sum is σ = 79554348. Its totient is φ = 79554346.

The previous prime is 79554331. The next prime is 79554389. The reversal of 79554347 is 74345597.

It is a weak prime.

It is an emirp because it is prime and its reverse (74345597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79554347 - 2⁴ = 79554331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79554298 and 79554307.

It is not a weakly prime, because it can be changed into another prime (79554317) 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, 39777173 + 39777174.

It is an arithmetic number, because the mean of its divisors is an integer number (39777174).

Almost surely, 2^79554347 is an apocalyptic number.

79554347 is a deficient number, since it is larger than the sum of its proper divisors (1).

79554347 is an equidigital number, since it uses as much as digits as its factorization.

79554347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 44.

The square root of 79554347 is about 8919.3243578199. The cubic root of 79554347 is about 430.0853391105.

The spelling of 79554347 in words is "seventy-nine million, five hundred fifty-four thousand, three hundred forty-seven".