78869683 has 2 divisors, whose sum is σ = 78869684. Its totient is φ = 78869682.

The previous prime is 78869677. The next prime is 78869689. The reversal of 78869683 is 38696887.

It is a balanced prime because it is at equal distance from previous prime (78869677) and next prime (78869689).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78869683 is a prime.

It is not a weakly prime, because it can be changed into another prime (78869689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39434841 + 39434842.

It is an arithmetic number, because the mean of its divisors is an integer number (39434842).

Almost surely, 2^78869683 is an apocalyptic number.

78869683 is a deficient number, since it is larger than the sum of its proper divisors (1).

78869683 is an equidigital number, since it uses as much as digits as its factorization.

78869683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 55.

The square root of 78869683 is about 8880.8604875879. The cubic root of 78869683 is about 428.8479763738.

The spelling of 78869683 in words is "seventy-eight million, eight hundred sixty-nine thousand, six hundred eighty-three".