78465303247783 has 16 divisors (see below), whose sum is σ = 84002534058240. Its totient is φ = 73031656513536.

The previous prime is 78465303247781. The next prime is 78465303247801. The reversal of 78465303247783 is 38774230356487.

It is a cyclic number.

It is not a de Polignac number, because 78465303247783 - 2¹ = 78465303247781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78465303247781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16331991 + ... + 20583112.

It is an arithmetic number, because the mean of its divisors is an integer number (5250158378640).

Almost surely, 2^{78465303247783} is an apocalyptic number.

78465303247783 is a deficient number, since it is larger than the sum of its proper divisors (5537230810457).

78465303247783 is a wasteful number, since it uses less digits than its factorization.

78465303247783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36916506.

The product of its (nonzero) digits is 568995840, while the sum is 67.

The spelling of 78465303247783 in words is "seventy-eight trillion, four hundred sixty-five billion, three hundred three million, two hundred forty-seven thousand, seven hundred eighty-three".