78053003507863 has 4 divisors (see below), whose sum is σ = 78075121109440. Its totient is φ = 78030885906288.

The previous prime is 78053003507797. The next prime is 78053003507879. The reversal of 78053003507863 is 36870530035087.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78053003507863 - 2¹⁷ = 78053003376791 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 (78053003507893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11058795495 + ... + 11058802552.

It is an arithmetic number, because the mean of its divisors is an integer number (19518780277360).

Almost surely, 2^{78053003507863} is an apocalyptic number.

78053003507863 is a deficient number, since it is larger than the sum of its proper divisors (22117601577).

78053003507863 is a wasteful number, since it uses less digits than its factorization.

78053003507863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22117601576.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 78053003507863 in words is "seventy-eight trillion, fifty-three billion, three million, five hundred seven thousand, eight hundred sixty-three".