78554636453103 has 8 divisors (see below), whose sum is σ = 104739900345216. Its totient is φ = 52369565098200.

The previous prime is 78554636453089. The next prime is 78554636453107. The reversal of 78554636453103 is 30135463645587.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78554636453103 - 2²⁰ = 78554635404527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78554636453107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47179603 + ... + 48816228.

It is an arithmetic number, because the mean of its divisors is an integer number (13092487543152).

Almost surely, 2^{78554636453103} is an apocalyptic number.

78554636453103 is a deficient number, since it is larger than the sum of its proper divisors (26185263892113).

78554636453103 is a wasteful number, since it uses less digits than its factorization.

78554636453103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96268605.

The product of its (nonzero) digits is 108864000, while the sum is 60.

The spelling of 78554636453103 in words is "seventy-eight trillion, five hundred fifty-four billion, six hundred thirty-six million, four hundred fifty-three thousand, one hundred three".