78830854 has 8 divisors (see below), whose sum is σ = 118284768. Its totient is φ = 39402600.

The previous prime is 78830783. The next prime is 78830879. The reversal of 78830854 is 45803887.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 78830854.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6339 + ... + 14065.

It is an arithmetic number, because the mean of its divisors is an integer number (14785596).

Almost surely, 2^78830854 is an apocalyptic number.

78830854 is a deficient number, since it is larger than the sum of its proper divisors (39453914).

78830854 is a wasteful number, since it uses less digits than its factorization.

78830854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12830.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 78830854 is about 8878.6741127265. The cubic root of 78830854 is about 428.7775882312. Note that the first 3 decimals are identical.

The spelling of 78830854 in words is "seventy-eight million, eight hundred thirty thousand, eight hundred fifty-four".