78084576 has 36 divisors (see below), whose sum is σ = 222053832. Its totient is φ = 26028096.

The previous prime is 78084569. The next prime is 78084577. The reversal of 78084576 is 67548087.

78084576 is a `hidden beast` number, since 78 + 0 + 8 + 4 + 576 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78084577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135276 + ... + 135851.

It is an arithmetic number, because the mean of its divisors is an integer number (6168162).

Almost surely, 2^78084576 is an apocalyptic number.

It is an amenable number.

78084576 is an abundant number, since it is smaller than the sum of its proper divisors (143969256).

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

78084576 is a wasteful number, since it uses less digits than its factorization.

78084576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271143 (or 271132 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 78084576 is about 8836.5477421898. The cubic root of 78084576 is about 427.4202416096.

The spelling of 78084576 in words is "seventy-eight million, eighty-four thousand, five hundred seventy-six".