78424103 has 8 divisors (see below), whose sum is σ = 81538800. Its totient is φ = 75366720.

The previous prime is 78424081. The next prime is 78424121. The reversal of 78424103 is 30142487.

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

It is a cyclic number.

It is not a de Polignac number, because 78424103 - 2¹² = 78420007 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 (78424163) 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, 11528 + ... + 17021.

It is an arithmetic number, because the mean of its divisors is an integer number (10192350).

Almost surely, 2^78424103 is an apocalyptic number.

78424103 is a deficient number, since it is larger than the sum of its proper divisors (3114697).

78424103 is a wasteful number, since it uses less digits than its factorization.

78424103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28657.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 78424103 is about 8855.7384220628. The cubic root of 78424103 is about 428.0388481202.

The spelling of 78424103 in words is "seventy-eight million, four hundred twenty-four thousand, one hundred three".