78975203 has 4 divisors (see below), whose sum is σ = 79056528. Its totient is φ = 78893880.

The previous prime is 78975199. The next prime is 78975209. The reversal of 78975203 is 30257987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30257987 = 131 ⋅230977.

It is a cyclic number.

It is not a de Polignac number, because 78975203 - 2² = 78975199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78975209) 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, 39188 + ... + 41153.

It is an arithmetic number, because the mean of its divisors is an integer number (19764132).

Almost surely, 2^78975203 is an apocalyptic number.

78975203 is a deficient number, since it is larger than the sum of its proper divisors (81325).

78975203 is an equidigital number, since it uses as much as digits as its factorization.

78975203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81324.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 78975203 is about 8886.7993676014. The cubic root of 78975203 is about 429.0391435024.

The spelling of 78975203 in words is "seventy-eight million, nine hundred seventy-five thousand, two hundred three".