78834968 has 8 divisors (see below), whose sum is σ = 147815580. Its totient is φ = 39417480.

The previous prime is 78834949. The next prime is 78834991. The reversal of 78834968 is 86943887.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×78834968² = 12429904359122048, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 4927178 + ... + 4927193.

Almost surely, 2^78834968 is an apocalyptic number.

It is an amenable number.

78834968 is a deficient number, since it is larger than the sum of its proper divisors (68980612).

78834968 is a wasteful number, since it uses less digits than its factorization.

78834968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9854377 (or 9854373 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 78834968 is about 8878.9057884404. The cubic root of 78834968 is about 428.7850470718.

The spelling of 78834968 in words is "seventy-eight million, eight hundred thirty-four thousand, nine hundred sixty-eight".