1708678879 has 2 divisors, whose sum is σ = 1708678880. Its totient is φ = 1708678878.

The previous prime is 1708678849. The next prime is 1708678883. The reversal of 1708678879 is 9788768071.

It is a strong prime.

It is an emirp because it is prime and its reverse (9788768071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1708678879 - 2⁵ = 1708678847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1708678849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 854339439 + 854339440.

It is an arithmetic number, because the mean of its divisors is an integer number (854339440).

Almost surely, 2^1708678879 is an apocalyptic number.

1708678879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1708678879 is an equidigital number, since it uses as much as digits as its factorization.

1708678879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9483264, while the sum is 61.

The square root of 1708678879 is about 41336.1691379354. The cubic root of 1708678879 is about 1195.5107447192.

The spelling of 1708678879 in words is "one billion, seven hundred eight million, six hundred seventy-eight thousand, eight hundred seventy-nine".