78583087087783 has 2 divisors, whose sum is σ = 78583087087784. Its totient is φ = 78583087087782.

The previous prime is 78583087087781. The next prime is 78583087087789. The reversal of 78583087087783 is 38778078038587.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78583087087783 - 2¹ = 78583087087781 is a prime.

Together with 78583087087781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78583087087781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39291543543891 + 39291543543892.

It is an arithmetic number, because the mean of its divisors is an integer number (39291543543892).

Almost surely, 2^{78583087087783} is an apocalyptic number.

78583087087783 is a deficient number, since it is larger than the sum of its proper divisors (1).

78583087087783 is an equidigital number, since it uses as much as digits as its factorization.

78583087087783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3540418560, while the sum is 79.

The spelling of 78583087087783 in words is "seventy-eight trillion, five hundred eighty-three billion, eighty-seven million, eighty-seven thousand, seven hundred eighty-three".