78834268 has 12 divisors (see below), whose sum is σ = 145221160. Its totient is φ = 37342512.

The previous prime is 78834263. The next prime is 78834289. The reversal of 78834268 is 86243887.

It is a super-2 number, since 2×78834268² = 12429683622191648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78834263) 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, 518571 + ... + 518722.

Almost surely, 2^78834268 is an apocalyptic number.

It is an amenable number.

78834268 is a deficient number, since it is larger than the sum of its proper divisors (66386892).

78834268 is a wasteful number, since it uses less digits than its factorization.

78834268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037316 (or 1037314 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 78834268 is about 8878.8663690811. The cubic root of 78834268 is about 428.7837779631.

The spelling of 78834268 in words is "seventy-eight million, eight hundred thirty-four thousand, two hundred sixty-eight".