78608711 has 2 divisors, whose sum is σ = 78608712. Its totient is φ = 78608710.

The previous prime is 78608701. The next prime is 78608741. The reversal of 78608711 is 11780687.

It is a weak prime.

It is an emirp because it is prime and its reverse (11780687) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78608711 - 2¹⁰ = 78607687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78608701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39304355 + 39304356.

It is an arithmetic number, because the mean of its divisors is an integer number (39304356).

Almost surely, 2^78608711 is an apocalyptic number.

78608711 is a deficient number, since it is larger than the sum of its proper divisors (1).

78608711 is an equidigital number, since it uses as much as digits as its factorization.

78608711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 78608711 is about 8866.1553674634. The cubic root of 78608711 is about 428.3744484884.

The spelling of 78608711 in words is "seventy-eight million, six hundred eight thousand, seven hundred eleven".