78732491364203 has 2 divisors, whose sum is σ = 78732491364204. Its totient is φ = 78732491364202.

The previous prime is 78732491364061. The next prime is 78732491364209. The reversal of 78732491364203 is 30246319423787.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78732491364203 - 2²⁶ = 78732424255339 is a prime.

It is not a weakly prime, because it can be changed into another prime (78732491364209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39366245682101 + 39366245682102.

It is an arithmetic number, because the mean of its divisors is an integer number (39366245682102).

Almost surely, 2^{78732491364203} is an apocalyptic number.

78732491364203 is a deficient number, since it is larger than the sum of its proper divisors (1).

78732491364203 is an equidigital number, since it uses as much as digits as its factorization.

78732491364203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36578304, while the sum is 59.

The spelling of 78732491364203 in words is "seventy-eight trillion, seven hundred thirty-two billion, four hundred ninety-one million, three hundred sixty-four thousand, two hundred three".