78546356 has 12 divisors (see below), whose sum is σ = 157092768. Its totient is φ = 33662712.

The previous prime is 78546331. The next prime is 78546389. The reversal of 78546356 is 65364587.

78546356 is an admirable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1402586 + ... + 1402641.

It is an arithmetic number, because the mean of its divisors is an integer number (13091064).

Almost surely, 2^78546356 is an apocalyptic number.

It is an amenable number.

78546356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78546356 is a wasteful number, since it uses less digits than its factorization.

78546356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805238 (or 2805236 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 78546356 is about 8862.6382076671. The cubic root of 78546356 is about 428.2611516529.

The spelling of 78546356 in words is "seventy-eight million, five hundred forty-six thousand, three hundred fifty-six".