78430026 has 8 divisors (see below), whose sum is σ = 156860064. Its totient is φ = 26143340.

The previous prime is 78430021. The next prime is 78430039. The reversal of 78430026 is 62003487.

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

78430026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 78429975 and 78430002.

It is not an unprimeable number, because it can be changed into a prime (78430021) 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, 6535830 + ... + 6535841.

It is an arithmetic number, because the mean of its divisors is an integer number (19607508).

Almost surely, 2^78430026 is an apocalyptic number.

78430026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78430026 is a wasteful number, since it uses less digits than its factorization.

78430026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13071676.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 78430026 is about 8856.0728316788. The cubic root of 78430026 is about 428.0496237626.

The spelling of 78430026 in words is "seventy-eight million, four hundred thirty thousand, twenty-six".