78098214 has 16 divisors (see below), whose sum is σ = 156284928. Its totient is φ = 26017992.

The previous prime is 78098213. The next prime is 78098233. The reversal of 78098214 is 41289087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78098213) 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, 15339 + ... + 19785.

It is an arithmetic number, because the mean of its divisors is an integer number (9767808).

Almost surely, 2^78098214 is an apocalyptic number.

78098214 is an abundant number, since it is smaller than the sum of its proper divisors (78186714).

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

78098214 is a wasteful number, since it uses less digits than its factorization.

78098214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7379.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 78098214 is about 8837.3193899508. The cubic root of 78098214 is about 427.4451241076.

The spelling of 78098214 in words is "seventy-eight million, ninety-eight thousand, two hundred fourteen".