78914903 has 2 divisors, whose sum is σ = 78914904. Its totient is φ = 78914902.

The previous prime is 78914881. The next prime is 78914911. The reversal of 78914903 is 30941987.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (30941987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78914903 - 2⁶ = 78914839 is a prime.

It is a super-3 number, since 3×78914903³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78914203) 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, 39457451 + 39457452.

It is an arithmetic number, because the mean of its divisors is an integer number (39457452).

Almost surely, 2^78914903 is an apocalyptic number.

78914903 is a deficient number, since it is larger than the sum of its proper divisors (1).

78914903 is an equidigital number, since it uses as much as digits as its factorization.

78914903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 78914903 is about 8883.4060472321. The cubic root of 78914903 is about 428.9299208324.

The spelling of 78914903 in words is "seventy-eight million, nine hundred fourteen thousand, nine hundred three".