78026904707 has 2 divisors, whose sum is σ = 78026904708. Its totient is φ = 78026904706.

The previous prime is 78026904677. The next prime is 78026904773. The reversal of 78026904707 is 70740962087.

It is a weak prime.

It is an emirp because it is prime and its reverse (70740962087) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78026904707 - 2²⁴ = 78010127491 is a prime.

It is not a weakly prime, because it can be changed into another prime (78026904797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39013452353 + 39013452354.

It is an arithmetic number, because the mean of its divisors is an integer number (39013452354).

Almost surely, 2^78026904707 is an apocalyptic number.

78026904707 is a deficient number, since it is larger than the sum of its proper divisors (1).

78026904707 is an equidigital number, since it uses as much as digits as its factorization.

78026904707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 78026904707 in words is "seventy-eight billion, twenty-six million, nine hundred four thousand, seven hundred seven".