78652652 has 12 divisors (see below), whose sum is σ = 148230096. Its totient is φ = 36301200.

The previous prime is 78652649. The next prime is 78652657. The reversal of 78652652 is 25625687.

It is not an unprimeable number, because it can be changed into a prime (78652657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756224 + ... + 756327.

It is an arithmetic number, because the mean of its divisors is an integer number (12352508).

Almost surely, 2^78652652 is an apocalyptic number.

It is an amenable number.

78652652 is a deficient number, since it is larger than the sum of its proper divisors (69577444).

78652652 is a wasteful number, since it uses less digits than its factorization.

78652652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512568 (or 1512566 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 78652652 is about 8868.6330401026. The cubic root of 78652652 is about 428.4542517537.

The spelling of 78652652 in words is "seventy-eight million, six hundred fifty-two thousand, six hundred fifty-two".