78579103 has 4 divisors (see below), whose sum is σ = 80406568. Its totient is φ = 76751640.

The previous prime is 78579097. The next prime is 78579107. The reversal of 78579103 is 30197587.

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 78579103 - 2⁵ = 78579071 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 (78579107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913668 + ... + 913753.

It is an arithmetic number, because the mean of its divisors is an integer number (20101642).

Almost surely, 2^78579103 is an apocalyptic number.

78579103 is a deficient number, since it is larger than the sum of its proper divisors (1827465).

78579103 is a wasteful number, since it uses less digits than its factorization.

78579103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827464.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 78579103 is about 8864.4854898635. The cubic root of 78579103 is about 428.3206592699.

The spelling of 78579103 in words is "seventy-eight million, five hundred seventy-nine thousand, one hundred three".