78079546267 has 2 divisors, whose sum is σ = 78079546268. Its totient is φ = 78079546266.

The previous prime is 78079546213. The next prime is 78079546351. The reversal of 78079546267 is 76264597087.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78079546267 is a prime.

It is not a weakly prime, because it can be changed into another prime (78079546367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39039773133 + 39039773134.

It is an arithmetic number, because the mean of its divisors is an integer number (39039773134).

Almost surely, 2^78079546267 is an apocalyptic number.

78079546267 is a deficient number, since it is larger than the sum of its proper divisors (1).

78079546267 is an equidigital number, since it uses as much as digits as its factorization.

78079546267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 78079546267 in words is "seventy-eight billion, seventy-nine million, five hundred forty-six thousand, two hundred sixty-seven".