78963803 has 2 divisors, whose sum is σ = 78963804. Its totient is φ = 78963802.

The previous prime is 78963769. The next prime is 78963869. The reversal of 78963803 is 30836987.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78963803 - 2²⁴ = 62186587 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78963893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39481901 + 39481902.

It is an arithmetic number, because the mean of its divisors is an integer number (39481902).

Almost surely, 2^78963803 is an apocalyptic number.

78963803 is a deficient number, since it is larger than the sum of its proper divisors (1).

78963803 is an equidigital number, since it uses as much as digits as its factorization.

78963803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 78963803 is about 8886.1579436785. The cubic root of 78963803 is about 429.0184987033.

The spelling of 78963803 in words is "seventy-eight million, nine hundred sixty-three thousand, eight hundred three".