78448203 has 8 divisors (see below), whose sum is σ = 116219600. Its totient is φ = 52298784.

The previous prime is 78448189. The next prime is 78448247. The reversal of 78448203 is 30284487.

78448203 is a `hidden beast` number, since 7 + 8 + 448 + 203 = 666.

It is not a de Polignac number, because 78448203 - 2⁴ = 78448187 is a prime.

It is a super-3 number, since 3×78448203³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78448273) 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, 1452718 + ... + 1452771.

It is an arithmetic number, because the mean of its divisors is an integer number (14527450).

Almost surely, 2^78448203 is an apocalyptic number.

78448203 is a deficient number, since it is larger than the sum of its proper divisors (37771397).

78448203 is a wasteful number, since it uses less digits than its factorization.

78448203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905498 (or 2905492 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 78448203 is about 8857.0990171726. The cubic root of 78448203 is about 428.0826895726.

The spelling of 78448203 in words is "seventy-eight million, four hundred forty-eight thousand, two hundred three".