78834748 has 6 divisors (see below), whose sum is σ = 137960816. Its totient is φ = 39417372.

The previous prime is 78834727. The next prime is 78834751. The reversal of 78834748 is 84743887.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9854340 + ... + 9854347.

Almost surely, 2^78834748 is an apocalyptic number.

It is an amenable number.

78834748 is a deficient number, since it is larger than the sum of its proper divisors (59126068).

78834748 is a wasteful number, since it uses less digits than its factorization.

78834748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19708691 (or 19708689 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 49.

The square root of 78834748 is about 8878.8933995178. The cubic root of 78834748 is about 428.7846482099.

The spelling of 78834748 in words is "seventy-eight million, eight hundred thirty-four thousand, seven hundred forty-eight".