78021306103 has 16 divisors (see below), whose sum is σ = 84419296416. Its totient is φ = 71680204800.

The previous prime is 78021306101. The next prime is 78021306109. The reversal of 78021306103 is 30160312087.

It is a cyclic number.

It is not a de Polignac number, because 78021306103 - 2¹ = 78021306101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78021306101) 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, 10467528 + ... + 10474978.

It is an arithmetic number, because the mean of its divisors is an integer number (5276206026).

Almost surely, 2^78021306103 is an apocalyptic number.

78021306103 is a deficient number, since it is larger than the sum of its proper divisors (6397990313).

78021306103 is a wasteful number, since it uses less digits than its factorization.

78021306103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11154.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 78021306103 in words is "seventy-eight billion, twenty-one million, three hundred six thousand, one hundred three".