78683027903 has 2 divisors, whose sum is σ = 78683027904. Its totient is φ = 78683027902.

The previous prime is 78683027873. The next prime is 78683027923. The reversal of 78683027903 is 30972038687.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78683027903 - 2²² = 78678833599 is a prime.

It is a super-3 number, since 3×78683027903³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78683027923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39341513951 + 39341513952.

It is an arithmetic number, because the mean of its divisors is an integer number (39341513952).

Almost surely, 2^78683027903 is an apocalyptic number.

78683027903 is a deficient number, since it is larger than the sum of its proper divisors (1).

78683027903 is an equidigital number, since it uses as much as digits as its factorization.

78683027903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 78683027903 in words is "seventy-eight billion, six hundred eighty-three million, twenty-seven thousand, nine hundred three".