78830227 has 4 divisors (see below), whose sum is σ = 90091696. Its totient is φ = 67568760.

The previous prime is 78830189. The next prime is 78830261. The reversal of 78830227 is 72203887.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72203887 = 7 ⋅10314841.

It is not a de Polignac number, because 78830227 - 2¹⁹ = 78305939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78830287) 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, 5630724 + ... + 5630737.

It is an arithmetic number, because the mean of its divisors is an integer number (22522924).

Almost surely, 2^78830227 is an apocalyptic number.

78830227 is a deficient number, since it is larger than the sum of its proper divisors (11261469).

78830227 is a wasteful number, since it uses less digits than its factorization.

78830227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11261468.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 78830227 is about 8878.6388033302. The cubic root of 78830227 is about 428.7764514333.

The spelling of 78830227 in words is "seventy-eight million, eight hundred thirty thousand, two hundred twenty-seven".