78294196 has 6 divisors (see below), whose sum is σ = 137014850. Its totient is φ = 39147096.

The previous prime is 78294191. The next prime is 78294217. The reversal of 78294196 is 69149287.

It can be written as a sum of positive squares in only one way, i.e., 41860900 + 36433296 = 6470^2 + 6036^2 .

It is a super-2 number, since 2×78294196² = 12259962254572832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78294191) by changing a digit.

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 as a sum of consecutive naturals, namely, 9786771 + ... + 9786778.

Almost surely, 2^78294196 is an apocalyptic number.

It is an amenable number.

78294196 is a deficient number, since it is larger than the sum of its proper divisors (58720654).

78294196 is a wasteful number, since it uses less digits than its factorization.

78294196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19573553 (or 19573551 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 78294196 is about 8848.4007594593. The cubic root of 78294196 is about 427.8023733139.

The spelling of 78294196 in words is "seventy-eight million, two hundred ninety-four thousand, one hundred ninety-six".